diff --git a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h
index 1168fa2a1d45da018acc2cc9b7fb8cc732df5a82..f911fbdd3e966fcb7bd2e3883744cfe1e988760a 100644
--- a/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h
+++ b/LUFA/Drivers/USB/HighLevel/ConfigDescriptor.h
@@ -65,7 +65,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */	
diff --git a/LUFA/Drivers/USB/HighLevel/Events.h b/LUFA/Drivers/USB/HighLevel/Events.h
index f6d8aaca8b9714821ac4005474c72953b36ca42b..2c310f46015ea16244d7dde1d91e74bfe86892bd 100644
--- a/LUFA/Drivers/USB/HighLevel/Events.h
+++ b/LUFA/Drivers/USB/HighLevel/Events.h
@@ -66,7 +66,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */			
diff --git a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
index f94673d2e10a1ced222d378bc138bb365b7bc5ac..363d26281c95e376038b31f7dff930d99eef0927 100644
--- a/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
+++ b/LUFA/Drivers/USB/HighLevel/StdDescriptors.h
@@ -67,7 +67,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/HighLevel/StdRequestType.h b/LUFA/Drivers/USB/HighLevel/StdRequestType.h
index 4fad0378b8b8a5ef75813359b6e06a66d46e0653..0db765d282ed27b8d354862153dcaddf47faefff 100644
--- a/LUFA/Drivers/USB/HighLevel/StdRequestType.h
+++ b/LUFA/Drivers/USB/HighLevel/StdRequestType.h
@@ -42,7 +42,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h b/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h
index 3d30655ec6fb75c772e2d60bae32980a3d2db30a..777b588fb24c94dd216fc8e5bd2dbee3ca3f8f26 100644
--- a/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h
+++ b/LUFA/Drivers/USB/HighLevel/StreamCallbacks.h
@@ -43,7 +43,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/HighLevel/USBInterrupt.h b/LUFA/Drivers/USB/HighLevel/USBInterrupt.h
index 94f88e278e96fd893b1938c94fd10062ee44e7ea..8fb152dd57ed006938c1f09c4c95a3e863c742c1 100644
--- a/LUFA/Drivers/USB/HighLevel/USBInterrupt.h
+++ b/LUFA/Drivers/USB/HighLevel/USBInterrupt.h
@@ -53,37 +53,65 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
 		/* Macros: */
-			#define USB_INT_Enable(int)              MACROS{ USB_INT_GET_EN_REG(int)   |=   USB_INT_GET_EN_MASK(int);   }MACROE
-			#define USB_INT_Disable(int)             MACROS{ USB_INT_GET_EN_REG(int)   &= ~(USB_INT_GET_EN_MASK(int));  }MACROE
-			#define USB_INT_Clear(int)               MACROS{ USB_INT_GET_INT_REG(int)  &= ~(USB_INT_GET_INT_MASK(int)); }MACROE
-			#define USB_INT_IsEnabled(int)                 ((USB_INT_GET_EN_REG(int)   &    USB_INT_GET_EN_MASK(int)) ? true : false)
-			#define USB_INT_HasOccurred(int)               ((USB_INT_GET_INT_REG(int)  &    USB_INT_GET_INT_MASK(int)) ? true : false)
+			#if defined(__AVR32__)
+				#define USB_INT_Enable(int)       MACROS{ USB_INT_GET_EN_REG(int)   |=   USB_INT_GET_EN_MASK(int);   }MACROE
+				#define USB_INT_Disable(int)      MACROS{ USB_INT_GET_EN_REG(int)   &= ~(USB_INT_GET_EN_MASK(int));  }MACROE
+				#define USB_INT_Clear(int)        MACROS{ USB_INT_GET_INT_REG(int) ## CLR |= USB_INT_GET_INT_MASK(int) ## C; }MACROE
+				#define USB_INT_IsEnabled(int)          ((USB_INT_GET_EN_REG(int)   &    USB_INT_GET_EN_MASK(int)) ? true : false)
+				#define USB_INT_HasOccurred(int)        ((USB_INT_GET_INT_REG(int)  &    USB_INT_GET_INT_MASK(int)) ? true : false)
 
-			#define USB_INT_GET_EN_REG(a, b, c, d)           a
-			#define USB_INT_GET_EN_MASK(a, b, c, d)          b
-			#define USB_INT_GET_INT_REG(a, b, c, d)          c
-			#define USB_INT_GET_INT_MASK(a, b, c, d)         d
+				#define USB_INT_GET_EN_REG(a, b, c, d)    *((volatile uint32_t*)AVR32_USBB_ ## a)
+				#define USB_INT_GET_EN_MASK(a, b, c, d)   AVR32_USBB_ ## b
+				#define USB_INT_GET_INT_REG(a, b, c, d)   *((volatile uint32_t*)AVR32_USBB_ ## c)
+				#define USB_INT_GET_INT_MASK(a, b, c, d)  AVR32_USBB_ ## d
 
-			#define USB_INT_VBUS                             USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI)
-			#define USB_INT_IDTI                             USBCON, (1 << IDTE)   , USBINT, (1 << IDTI)
-			#define USB_INT_WAKEUP                           UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI)
-			#define USB_INT_SUSPEND                          UDIEN , (1 << SUSPE)  , UDINT , (1 << SUSPI)
-			#define USB_INT_EORSTI                           UDIEN , (1 << EORSTE) , UDINT , (1 << EORSTI)
-			#define USB_INT_DCONNI                           UHIEN , (1 << DCONNE) , UHINT , (1 << DCONNI)
-			#define USB_INT_DDISCI                           UHIEN , (1 << DDISCE) , UHINT , (1 << DDISCI)
-			#define USB_INT_BCERRI                           OTGIEN, (1 << BCERRE) , OTGINT, (1 << BCERRI)
-			#define USB_INT_VBERRI                           OTGIEN, (1 << VBERRE) , OTGINT, (1 << VBERRI)
-			#define USB_INT_SOFI                             UDIEN,  (1 << SOFE)   , UDINT , (1 << SOFI)
-			#define USB_INT_HSOFI                            UHIEN,  (1 << HSOFE)  , UHINT , (1 << HSOFI)
-			#define USB_INT_RSTI                             UHIEN , (1 << RSTE)   , UHINT , (1 << RSTI)
-			#define USB_INT_SRPI                             OTGIEN, (1 << SRPE)   , OTGINT, (1 << SRPI)
-			#define USB_INT_RXSTPI                           UEIENX, (1 << RXSTPE) , UEINTX, (1 << RXSTPI)
+				#define USB_INT_VBUS                      USBCON, USBCON_VBUSTE_MASK, USBSTA, USBSTA_VBUSTI_MASK
+				#define USB_INT_IDTI                      USBCON, USBCON_IDTE_MASK  , USBINT, USBCON_IDTI_MASK
+				#define USB_INT_WAKEUP                    UDIEN , UDIEN_WAKEUPE_MASK, UDINT , UDIEN_WAKEUPI_MASK
+				#define USB_INT_SUSPEND                   UDIEN , UDIEN_SUSPE_MASK  , UDINT , UDIEN_SUSPI_MASK
+				#define USB_INT_EORSTI                    UDIEN , UDIEN_EORSTE_MASK , UDINT , UDIEN_EORSTI_MASK
+				#define USB_INT_SOFI                      UDIEN,  UDIEN_SOFE_MASK   , UDINT , UDIEN_SOFI_MASK
+				#define USB_INT_DCONNI                    UHIEN , UDIEN_DCONNE_MASK , UHINT , UHIEN_DCONNI_MASK
+				#define USB_INT_DDISCI                    UHIEN , UDIEN_DDISCE_MASK , UHINT , UHIEN_DDISCI_MASK
+				#define USB_INT_HSOFI                     UHIEN,  UHIEN_HSOFE_MASK  , UHINT , UHIEN_HSOFI_MASK
+				#define USB_INT_RSTI                      UHIEN , UHIEN_RSTE_MASK   , UHINT , UHIEN_RSTI_MASK
+				#define USB_INT_RXSTPI                    UEIENX, UEIENX_RXSTPE_MASK, UEINTX, UEIENX_RXSTPI_MASK			
+				#define USB_INT_BCERRI                    OTGIEN, OTGIEN_BCERRE_MASK, OTGINT, OTGIEN_BCERRI_MASK
+				#define USB_INT_VBERRI                    OTGIEN, OTGIEN_VBERRE_MASK, OTGINT, OTGIEN_VBERRI_MASK
+				#define USB_INT_SRPI                      OTGIEN, OTGIEN_SRPE_MASK  , OTGINT, OTGIEN_SRPI_MASK
+			#elif defined(__AVR__)
+				#define USB_INT_Enable(int)       MACROS{ USB_INT_GET_EN_REG(int)   |=   USB_INT_GET_EN_MASK(int);   }MACROE
+				#define USB_INT_Disable(int)      MACROS{ USB_INT_GET_EN_REG(int)   &= ~(USB_INT_GET_EN_MASK(int));  }MACROE
+				#define USB_INT_Clear(int)        MACROS{ USB_INT_GET_INT_REG(int)  &= ~(USB_INT_GET_INT_MASK(int)); }MACROE
+				#define USB_INT_IsEnabled(int)          ((USB_INT_GET_EN_REG(int)   &    USB_INT_GET_EN_MASK(int)) ? true : false)
+				#define USB_INT_HasOccurred(int)        ((USB_INT_GET_INT_REG(int)  &    USB_INT_GET_INT_MASK(int)) ? true : false)
+
+				#define USB_INT_GET_EN_REG(a, b, c, d)    a
+				#define USB_INT_GET_EN_MASK(a, b, c, d)   b
+				#define USB_INT_GET_INT_REG(a, b, c, d)   c
+				#define USB_INT_GET_INT_MASK(a, b, c, d)  d
+
+				#define USB_INT_VBUS                      USBCON, (1 << VBUSTE) , USBINT, (1 << VBUSTI)
+				#define USB_INT_IDTI                      USBCON, (1 << IDTE)   , USBINT, (1 << IDTI)
+				#define USB_INT_WAKEUP                    UDIEN , (1 << WAKEUPE), UDINT , (1 << WAKEUPI)
+				#define USB_INT_SUSPEND                   UDIEN , (1 << SUSPE)  , UDINT , (1 << SUSPI)
+				#define USB_INT_EORSTI                    UDIEN , (1 << EORSTE) , UDINT , (1 << EORSTI)
+				#define USB_INT_SOFI                      UDIEN,  (1 << SOFE)   , UDINT , (1 << SOFI)
+				#define USB_INT_DCONNI                    UHIEN , (1 << DCONNE) , UHINT , (1 << DCONNI)
+				#define USB_INT_DDISCI                    UHIEN , (1 << DDISCE) , UHINT , (1 << DDISCI)
+				#define USB_INT_HSOFI                     UHIEN,  (1 << HSOFE)  , UHINT , (1 << HSOFI)
+				#define USB_INT_RSTI                      UHIEN , (1 << RSTE)   , UHINT , (1 << RSTI)
+				#define USB_INT_BCERRI                    OTGIEN, (1 << BCERRE) , OTGINT, (1 << BCERRI)
+				#define USB_INT_VBERRI                    OTGIEN, (1 << VBERRE) , OTGINT, (1 << VBERRI)
+				#define USB_INT_SRPI                      OTGIEN, (1 << SRPE)   , OTGINT, (1 << SRPI)
+				#define USB_INT_RXSTPI                    UEIENX, (1 << RXSTPE) , UEINTX, (1 << RXSTPI)
+			#endif
 	
 		/* Function Prototypes: */
 			void USB_INT_ClearAllInterrupts(void);
diff --git a/LUFA/Drivers/USB/HighLevel/USBMode.h b/LUFA/Drivers/USB/HighLevel/USBMode.h
index 1ceb981aedebe29eb57708a34a613bf38c916416..ee10dea5cea9d9e4cf0e7e91cf6bc5e1349d94fc 100644
--- a/LUFA/Drivers/USB/HighLevel/USBMode.h
+++ b/LUFA/Drivers/USB/HighLevel/USBMode.h
@@ -45,7 +45,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/HighLevel/USBTask.h b/LUFA/Drivers/USB/HighLevel/USBTask.h
index 350ad5dc5408046903c264a0a861cb1738b23ca0..e65a5dfc9fc08c6539a5eec0b0e44f7754335b63 100644
--- a/LUFA/Drivers/USB/HighLevel/USBTask.h
+++ b/LUFA/Drivers/USB/HighLevel/USBTask.h
@@ -63,7 +63,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
@@ -87,7 +87,7 @@
 			 extern USB_Request_Header_t USB_ControlRequest;
 			
 			#if defined(USB_CAN_BE_HOST) || defined(__DOXYGEN__)
-				#if !defined(HOST_STATE_AS_GPIOR) || defined(__DOXYGEN__)
+				#if (!defined(__AVR32__) && !defined(HOST_STATE_AS_GPIOR)) || defined(__DOXYGEN__)
 					/** Indicates the current host state machine state. When in host mode, this indicates the state
 					 *  via one of the values of the \ref USB_Host_States_t enum values.
 					 *
@@ -116,7 +116,7 @@
 			#endif
 
 			#if defined(USB_CAN_BE_DEVICE) || defined(__DOXYGEN__)
-				#if !defined(DEVICE_STATE_AS_GPIOR) || defined(__DOXYGEN__)
+				#if (!defined(__AVR32__) && !defined(DEVICE_STATE_AS_GPIOR)) || defined(__DOXYGEN__)
 					/** Indicates the current device state machine state. When in device mode, this indicates the state
 					 *  via one of the values of the \ref USB_Device_States_t enum values.
 					 *
diff --git a/LUFA/Drivers/USB/LowLevel/DevChapter9.h b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
index cb1b44ac5a79c02cfc55299d26d8ba0d9c52a3c2..c20b0760f914a5f47ae77e5c02a4e31166246e34 100644
--- a/LUFA/Drivers/USB/LowLevel/DevChapter9.h
+++ b/LUFA/Drivers/USB/LowLevel/DevChapter9.h
@@ -55,7 +55,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/LowLevel/Device.h b/LUFA/Drivers/USB/LowLevel/Device.h
index 9dff3f9171892ba7b9a8fc8e46398de7456e58ed..11fb33a97c5a9f944cb7631162ed69a141a94895 100644
--- a/LUFA/Drivers/USB/LowLevel/Device.h
+++ b/LUFA/Drivers/USB/LowLevel/Device.h
@@ -56,7 +56,7 @@
 		#endif
 
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 			
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index 819e3f81255103e30e3712b146b2c02c2f0218b8..89fd39ff631548d9ca04f5e6530b23205a21960c 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -40,12 +40,12 @@
 uint8_t USB_ControlEndpointSize = ENDPOINT_CONTROLEP_DEFAULT_SIZE;
 #endif
 
-uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size)
+uintN_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size)
 {
 	return Endpoint_BytesToEPSizeMask(Size);
 }
 
-bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData)
+bool Endpoint_ConfigureEndpoint_Prv(const uintN_t Number, const uintN_t UECFG0XData, const uintN_t UECFG1XData)
 {
 	Endpoint_SelectEndpoint(Number);
 	Endpoint_EnableEndpoint();
diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h
index cf6fbc63209311776b410855ad45faef9cde9c4b..6b16fd7ac7339f2b976920545373839ba1e374be 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.h
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h
@@ -78,6 +78,7 @@
 		#endif
 		
 		#include "../../../Common/Common.h"
+		#include "LowLevel.h"
 		#include "../HighLevel/USBTask.h"
 
 		#if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
@@ -91,34 +92,41 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
 		/* Macros: */
-			/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
-			 *  should be initialized in the OUT direction - i.e. data flows from host to device.
-			 */
-			#define ENDPOINT_DIR_OUT                      (0 << EPDIR)
-
-			/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
-			 *  should be initialized in the IN direction - i.e. data flows from device to host.
-			 */
-			#define ENDPOINT_DIR_IN                       (1 << EPDIR)
+			#if defined(__AVR32__) || defined(__DOXYGEN__)
+				/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
+				 *  should be initialized in the OUT direction - i.e. data flows from host to device.
+				 */
+				#define ENDPOINT_DIR_OUT                  0
 
-			/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
-			 *  that the endpoint should have one single bank, which requires less USB FIFO memory but results
-			 *  in slower transfers as only one USB device (the AVR or the host) can access the endpoint's
-			 *  bank at the one time.
-			 */
-			#define ENDPOINT_BANK_SINGLE                  (0 << EPBK0)
+				/** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint
+				 *  should be initialized in the IN direction - i.e. data flows from device to host.
+				 */
+				#define ENDPOINT_DIR_IN                   AVR32_USBB_EPDIR_IN
 
-			/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
-			 *  that the endpoint should have two banks, which requires more USB FIFO memory but results
-			 *  in faster transfers as one USB device (the AVR or the host) can access one bank while the other
-			 *  accesses the second bank.
-			 */
-			#define ENDPOINT_BANK_DOUBLE                  (1 << EPBK0)
+				/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
+				 *  that the endpoint should have one single bank, which requires less USB FIFO memory but results
+				 *  in slower transfers as only one USB device (the AVR or the host) can access the endpoint's
+				 *  bank at the one time.
+				 */
+				#define ENDPOINT_BANK_SINGLE              AVR32_USBB_EPBK_SINGLE
+				
+				/** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
+				 *  that the endpoint should have two banks, which requires more USB FIFO memory but results
+				 *  in faster transfers as one USB device (the AVR or the host) can access one bank while the other
+				 *  accesses the second bank.
+				 */
+				#define ENDPOINT_BANK_DOUBLE              AVR32_USBB_EPBK_DOUBLE
+			#elif defined(__AVR__)
+				#define ENDPOINT_DIR_OUT                  (0 << EPDIR)
+				#define ENDPOINT_DIR_IN                   (1 << EPDIR)
+				#define ENDPOINT_BANK_SINGLE              (0 << EPBK0)
+				#define ENDPOINT_BANK_DOUBLE              (1 << EPBK0)			
+			#endif
 			
 			/** Endpoint address for the default control endpoint, which always resides in address 0. This is
 			 *  defined for convenience to give more readable code when used with the endpoint macros.
@@ -160,17 +168,18 @@
 			#define ENDPOINT_DOUBLEBANK_SUPPORTED(n)      _ENDPOINT_GET_DOUBLEBANK(n)
 
 			#if !defined(CONTROL_ONLY_DEVICE)
-				#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__)
+				#if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || \
+				     defined(USB_SERIES_UC3B_AVR) || defined(__DOXYGEN__))
 					/** Total number of endpoints (including the default control endpoint at address 0) which may
 					 *  be used in the device. Different USB AVR models support different amounts of endpoints,
 					 *  this value reflects the maximum number of endpoints for the currently selected AVR model.
 					 */
-					#define ENDPOINT_TOTAL_ENDPOINTS          7
+					#define ENDPOINT_TOTAL_ENDPOINTS      7
 				#else
-					#define ENDPOINT_TOTAL_ENDPOINTS          5			
+					#define ENDPOINT_TOTAL_ENDPOINTS      5			
 				#endif
 			#else
-				#define ENDPOINT_TOTAL_ENDPOINTS              1
+				#define ENDPOINT_TOTAL_ENDPOINTS          1
 			#endif
 			
 		/* Pseudo-Function Macros: */
@@ -360,71 +369,84 @@
 					#define Endpoint_BytesInEndpoint()        (((uint16_t)UEBCHX << 8) | UEBCLX)				
 				#elif defined(USB_SERIES_2_AVR)
 					#define Endpoint_BytesInEndpoint()        UEBCLX
+				#elif defined(USB_SERIES_UC3B_AVR)
+					#define Endpoint_BytesInEndpoint()        ((__AVR32_EPREG_X(UESTA0) & AVR32_USBB_BYCT_MASK) >> AVR32_USBB_BYCT)
 				#endif
 				
-				#if !defined(CONTROL_ONLY_DEVICE)
-					#define Endpoint_GetCurrentEndpoint()     (UENUM & ENDPOINT_EPNUM_MASK)
-				#else
-					#define Endpoint_GetCurrentEndpoint()     ENDPOINT_CONTROLEP
-				#endif
-				
-				#if !defined(CONTROL_ONLY_DEVICE)
-					#define Endpoint_SelectEndpoint(epnum)    MACROS{ UENUM = (epnum); }MACROE
-				#else
-					#define Endpoint_SelectEndpoint(epnum)    (void)(epnum)
-				#endif
-
-				#define Endpoint_ResetFIFO(epnum)             MACROS{ UERST = (1 << (epnum)); UERST = 0; }MACROE
-
-				#define Endpoint_EnableEndpoint()             MACROS{ UECONX |= (1 << EPEN); }MACROE
-
-				#define Endpoint_DisableEndpoint()            MACROS{ UECONX &= ~(1 << EPEN); }MACROE
-
-				#define Endpoint_IsEnabled()                  ((UECONX & (1 << EPEN)) ? true : false)
-
-				#if !defined(CONTROL_ONLY_DEVICE)
-					#define Endpoint_IsReadWriteAllowed()     ((UEINTX & (1 << RWAL)) ? true : false)
-				#endif
-				
-				#define Endpoint_IsConfigured()               ((UESTA0X & (1 << CFGOK)) ? true : false)
-
-				#define Endpoint_GetEndpointInterrupts()      UEINT
-
-				#define Endpoint_HasEndpointInterrupted(n)    ((UEINT & (1 << (n))) ? true : false)
-				
-				#define Endpoint_IsINReady()                  ((UEINTX & (1 << TXINI))  ? true : false)
-				
-				#define Endpoint_IsOUTReceived()              ((UEINTX & (1 << RXOUTI)) ? true : false)
-
-				#define Endpoint_IsSETUPReceived()            ((UEINTX & (1 << RXSTPI)) ? true : false)
-
-				#define Endpoint_ClearSETUP()                 MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE
-
-				#if !defined(CONTROL_ONLY_DEVICE)
-					#define Endpoint_ClearIN()                MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << TXINI)); \
-					                                                  UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
-				#else
-					#define Endpoint_ClearIN()                MACROS{ UEINTX &= ~(1 << TXINI); }MACROE
-				#endif
-
-				#if !defined(CONTROL_ONLY_DEVICE)
-					#define Endpoint_ClearOUT()               MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << RXOUTI)); \
-					                                                  UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
-				#else
-					#define Endpoint_ClearOUT()               MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE			
+				#if defined(__AVR32__)
+					#if !defined(CONTROL_ONLY_DEVICE)
+						#define Endpoint_GetCurrentEndpoint()     USB_SelectedEPNumber
+						#define Endpoint_SelectEndpoint(epnum)    MACROS{ USB_SelectedEPNumber = (epnum); }MACROE					
+						#define Endpoint_IsReadWriteAllowed()     (__AVR32_EPREG_X(UESTA0) & AVR32_USBB_RWAL_MASK)
+					#else
+						#define Endpoint_GetCurrentEndpoint()     ENDPOINT_CONTROLEP
+						#define Endpoint_SelectEndpoint(epnum)    (void)(epnum)
+					#endif
+
+					#define Endpoint_ResetFIFO(epnum)             MACROS{ AVR32_USBB.UERST |=  (AVR32_USBB_EPRST0_MASK << (epnum)); \
+					                                                      AVR32_USBB.UERST &= ~(AVR32_USBB_EPRST0_MASK << (epnum));     }MACROE
+					#define Endpoint_EnableEndpoint()             MACROS{ AVR32_USBB.UERST |=  (AVR32_USBB_UERST_EPEN0_MASK << (epen)); }MACROE
+					#define Endpoint_DisableEndpoint()            MACROS{ AVR32_USBB.UERST &= ~(AVR32_USBB_UERST_EPEN0_MASK << (epen)); }MACROE
+					#define Endpoint_IsEnabled()                        ((AVR32_USBB.UERST & (AVR32_USBB_UERST_EPEN0_MASK << (epen))) ? true : false)
+					
+					#define Endpoint_IsConfigured()                     ((__AVR32_EPREG_X(UESTA0) & AVR32_USBB_UESTA0_CFGOK_MASK) ? true : false)
+					#define Endpoint_GetEndpointInterrupts()             (AVR32_USBB.UDINT >> AVR32_USBB_EP0INT)
+					#define Endpoint_HasEndpointInterrupted(n)          ((AVR32_USBB.UDINT & (AVR32_USBB_EP0INT << (n))) ? true : false)
+					#define Endpoint_IsINReady()                        ((__AVR32_EPREG_X(UESTA0) & AVR32_USBB_TXINI)  ? true : false)
+					#define Endpoint_IsOUTReceived()                    ((__AVR32_EPREG_X(UESTA0) & AVR32_USBB_RXOUTI) ? true : false)
+					#define Endpoint_IsSETUPReceived()                  ((__AVR32_EPREG_X(UESTA0) & AVR32_USBB_RXSTPI) ? true : false)
+					#define Endpoint_ClearSETUP()                 MACROS{ __AVR32_EPREG_X(UESTA0CLR) = AVR32_USBB_RXSTPIC;  }MACROE
+					#define Endpoint_ClearIN()                    MACROS{ __AVR32_EPREG_X(UESTA0CLR) = AVR32_USBB_TXINIC; \
+																		  __AVR32_EPREG_X(UECON0CLR) = AVR32_USBB_FIFOCONC; }MACROE
+					#define Endpoint_ClearOUT()                   MACROS{ __AVR32_EPREG_X(UESTA0CLR) = AVR32_USBB_RXOUTI; \
+																		  __AVR32_EPREG_X(UECON0CLR) = AVR32_USBB_FIFOCONC; }MACROE
+					#define Endpoint_StallTransaction()           MACROS{ __AVR32_EPREG_X(UECON0SET) = AVR32_USBB_STALLRQS; }MACROE
+					#define Endpoint_ClearStall()                 MACROS{ __AVR32_EPREG_X(UECON0CLR) = AVR32_USBB_STALLRQC; }MACROE
+					#define Endpoint_IsStalled()                        ((__AVR32_EPREG_X(UECON0) & AVR32_USBB_STALLRQ) ? true : false)
+					#define Endpoint_ResetDataToggle()            MACROS{ __AVR32_EPREG_X(UECON0CLR) = AVR32_USBB_RSTDTS;   }MACROE
+					#define Endpoint_GetEndpointDirection()       ((__AVR32_EPREG_X(UECFG0) & ENDPOINT_DIR_IN) ? true : false)
+					#define Endpoint_SetEndpointDirection(dir)    MACROS{ __AVR32_EPREG_X(UECFG0) = \
+					                                                      ((__AVR32_EPREG_X(UECFG0) & ENDPOINT_DIR_IN) | (dir)); }MACROE
+				#elif defined(__AVR__)
+					#if !defined(CONTROL_ONLY_DEVICE)
+						#define Endpoint_GetCurrentEndpoint()     (UENUM & ENDPOINT_EPNUM_MASK)
+						#define Endpoint_SelectEndpoint(epnum)    MACROS{ UENUM = (epnum); }MACROE
+						#define Endpoint_IsReadWriteAllowed()     ((UEINTX & (1 << RWAL)) ? true : false)
+					#else
+						#define Endpoint_GetCurrentEndpoint()     ENDPOINT_CONTROLEP
+						#define Endpoint_SelectEndpoint(epnum)    (void)(epnum)
+					#endif
+
+					#define Endpoint_ResetFIFO(epnum)             MACROS{ UERST = (1 << (epnum)); UERST = 0; }MACROE
+					#define Endpoint_EnableEndpoint()             MACROS{ UECONX |= (1 << EPEN); }MACROE
+					#define Endpoint_DisableEndpoint()            MACROS{ UECONX &= ~(1 << EPEN); }MACROE
+					#define Endpoint_IsEnabled()                  ((UECONX & (1 << EPEN)) ? true : false)
+					
+					#define Endpoint_IsConfigured()               ((UESTA0X & (1 << CFGOK)) ? true : false)
+					#define Endpoint_GetEndpointInterrupts()      UEINT
+					#define Endpoint_HasEndpointInterrupted(n)    ((UEINT & (1 << (n))) ? true : false)
+					#define Endpoint_IsINReady()                  ((UEINTX & (1 << TXINI))  ? true : false)
+					#define Endpoint_IsOUTReceived()              ((UEINTX & (1 << RXOUTI)) ? true : false)
+					#define Endpoint_IsSETUPReceived()            ((UEINTX & (1 << RXSTPI)) ? true : false)
+					#define Endpoint_ClearSETUP()                 MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE
+
+					#if !defined(CONTROL_ONLY_DEVICE)
+						#define Endpoint_ClearIN()                MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << TXINI)); \
+																		  UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
+						#define Endpoint_ClearOUT()               MACROS{ uint8_t Temp = UEINTX; UEINTX = (Temp & ~(1 << RXOUTI)); \
+																		  UEINTX = (Temp & ~(1 << FIFOCON)); }MACROE
+					#else
+						#define Endpoint_ClearIN()                MACROS{ UEINTX &= ~(1 << TXINI); }MACROE
+						#define Endpoint_ClearOUT()               MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE			
+					#endif
+
+					#define Endpoint_StallTransaction()           MACROS{ UECONX |= (1 << STALLRQ); }MACROE
+					#define Endpoint_ClearStall()                 MACROS{ UECONX |= (1 << STALLRQC); }MACROE
+					#define Endpoint_IsStalled()                  ((UECONX & (1 << STALLRQ)) ? true : false)
+					#define Endpoint_ResetDataToggle()            MACROS{ UECONX |= (1 << RSTDT); }MACROE
+					#define Endpoint_GetEndpointDirection()       (UECFG0X & ENDPOINT_DIR_IN)
+					#define Endpoint_SetEndpointDirection(dir)    MACROS{ UECFG0X = ((UECFG0X & ~ENDPOINT_DIR_IN) | (dir)); }MACROE				
 				#endif
-
-				#define Endpoint_StallTransaction()           MACROS{ UECONX |= (1 << STALLRQ); }MACROE
-
-				#define Endpoint_ClearStall()                 MACROS{ UECONX |= (1 << STALLRQC); }MACROE
-
-				#define Endpoint_IsStalled()                  ((UECONX & (1 << STALLRQ)) ? true : false)
-
-				#define Endpoint_ResetDataToggle()            MACROS{ UECONX |= (1 << RSTDT); }MACROE
-				
-				#define Endpoint_GetEndpointDirection()       (UECFG0X & ENDPOINT_DIR_IN)
-				
-				#define Endpoint_SetEndpointDirection(dir)    MACROS{ UECFG0X = ((UECFG0X & ~ENDPOINT_DIR_IN) | (dir)); }MACROE
 			#endif
 
 		/* Enums: */
@@ -493,7 +515,7 @@
 			static inline uint8_t Endpoint_Read_Byte(void)
 			{
 				#if defined(__AVR32__)
-				return 0; // TODO
+				return __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				return UEDATX;
 				#endif
@@ -509,7 +531,7 @@
 			static inline void Endpoint_Write_Byte(const uint8_t Byte)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = Byte;
 				#elif defined(__AVR__)
 				UEDATX = Byte;
 				#endif
@@ -525,7 +547,7 @@
 				uint8_t Dummy;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Dummy = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Dummy = UEDATX;
 				#endif
@@ -548,7 +570,8 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[0] = UEDATX;
 				Data.Bytes[1] = UEDATX;
@@ -574,7 +597,8 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[1] = UEDATX;
 				Data.Bytes[0] = UEDATX;
@@ -594,7 +618,8 @@
 			static inline void Endpoint_Write_Word_LE(const uint16_t Word)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (Word & 0xFF);
+				__AVR32_EPREG_X(UEDAT0) = (Word >> 8);
 				#elif defined(__AVR__)
 				UEDATX = (Word & 0xFF);
 				UEDATX = (Word >> 8);
@@ -612,7 +637,8 @@
 			static inline void Endpoint_Write_Word_BE(const uint16_t Word)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (Word >> 8);
+				__AVR32_EPREG_X(UEDAT0) = (Word & 0xFF);
 				#elif defined(__AVR__)
 				UEDATX = (Word >> 8);
 				UEDATX = (Word & 0xFF);
@@ -629,7 +655,8 @@
 				uint8_t Dummy;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Dummy = UEDATX;
 				Dummy = UEDATX;
@@ -653,7 +680,10 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[2] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[3] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[0] = UEDATX;
 				Data.Bytes[1] = UEDATX;
@@ -681,7 +711,10 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[3] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[2] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[3] = UEDATX;
 				Data.Bytes[2] = UEDATX;
@@ -703,7 +736,10 @@
 			static inline void Endpoint_Write_DWord_LE(const uint32_t DWord)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (DWord &  0xFF);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 8);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 16);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 24);
 				#elif defined(__AVR__)
 				UEDATX = (DWord &  0xFF);
 				UEDATX = (DWord >> 8);
@@ -723,7 +759,10 @@
 			static inline void Endpoint_Write_DWord_BE(const uint32_t DWord)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 24);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 16);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 8);
+				__AVR32_EPREG_X(UEDAT0) = (DWord &  0xFF);
 				#elif defined(__AVR__)
 				UEDATX = (DWord >> 24);
 				UEDATX = (DWord >> 16);
@@ -742,7 +781,10 @@
 				uint8_t Dummy;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Dummy = UEDATX;
 				Dummy = UEDATX;
@@ -792,7 +834,7 @@
 			 *  endpoint numbers can handle different maximum packet sizes - refer to the chosen USB AVR's
 			 *  datasheet to determine the maximum bank size for each endpoint.
 			 *
-			 *  The banking mode may be either \ref ENDPOINT_BANK_SINGLE or \ref ENDPOINT_BANK_DOUBLE.
+			 *  The banking mode must be a ENDPOINT_BANK_* mask.
 			 *
 			 *  \note The default control endpoint does not have to be manually configured, as it is automatically
 			 *  configured by the library internally.
@@ -802,8 +844,8 @@
 			 *
 			 *  \return Boolean true if the configuration succeeded, false otherwise
 			 */
-			bool Endpoint_ConfigureEndpoint(const uint8_t  Number, const uint8_t Type, const uint8_t Direction,
-			                                const uint16_t Size, const uint8_t Banks);
+			bool Endpoint_ConfigureEndpoint(const uintN_t  Number, const uintN_t Type, const uintN_t Direction,
+			                                const uint16_t Size, const uintN_t Banks);
 
 			/** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data
 			 *  to be read or written to it.
@@ -875,6 +917,8 @@
 			 *  \param[in] Length    Number of bytes to read for the currently selected endpoint into the buffer.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Write_EStream_LE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -924,6 +968,8 @@
 			 *  \param[in] Length    Number of bytes to read for the currently selected endpoint into the buffer.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Write_EStream_BE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -973,6 +1019,8 @@
 			 *  \param[in] Length    Number of bytes to send via the currently selected endpoint.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Read_EStream_LE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -1008,6 +1056,8 @@
 			 *  \param[in] Length    Number of bytes to send via the currently selected endpoint.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Read_EStream_BE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -1049,6 +1099,8 @@
 			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
 			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Write_Control_EStream_LE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
@@ -1111,6 +1163,8 @@
 			 *  \param[in] Buffer  Pointer to the source data buffer to read from.
 			 *  \param[in] Length  Number of bytes to read for the currently selected endpoint into the buffer.
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Write_Control_EStream_BE(const void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
@@ -1173,6 +1227,8 @@
 			 *  \param[out] Buffer  Pointer to the destination data buffer to write to.
 			 *  \param[in] Length  Number of bytes to send via the currently selected endpoint.
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Read_Control_EStream_LE(void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
@@ -1214,6 +1270,8 @@
 			 *  \param[out] Buffer  Pointer to the destination data buffer to write to.
 			 *  \param[in] Length  Number of bytes to send via the currently selected endpoint.
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Endpoint_Read_Control_EStream_BE(void* Buffer, uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);		
@@ -1221,8 +1279,29 @@
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
 		/* Macros: */
-			#define Endpoint_AllocateMemory()              MACROS{ UECFG1X |=  (1 << ALLOC); }MACROE
-			#define Endpoint_DeallocateMemory()            MACROS{ UECFG1X &= ~(1 << ALLOC); }MACROE
+			#if defined(__AVR32__)
+				#define Endpoint_AllocateMemory()              MACROS{ __AVR32_EPREG_X(UECFG10) |=  AVR32_USBB_UECFG0_ALLOC_MASK; }MACROE
+				#define Endpoint_DeallocateMemory()            MACROS{ __AVR32_EPREG_X(UECFG10) &= ~AVR32_USBB_UECFG0_ALLOC_MASK; }MACROE
+
+				#define Endpoint_ConfigureEndpoint(Number, Type, Direction, Size, Banks)            \
+													Endpoint_ConfigureEndpoint_Prv((Number),        \
+															  (((Type) << AVR32_USBB_UECFG0_EPTYPE) | (Direction)), \
+															  (AVR32_USBB_UECFG0_ALLOC_MASK | (Banks) |             \
+																(__builtin_constant_p(Size) ?       \
+																 Endpoint_BytesToEPSizeMask(Size) : \
+																 Endpoint_BytesToEPSizeMaskDynamic(Size))))
+			#elif defined(__AVR__)
+				#define Endpoint_AllocateMemory()              MACROS{ UECFG1X |=  (1 << ALLOC); }MACROE
+				#define Endpoint_DeallocateMemory()            MACROS{ UECFG1X &= ~(1 << ALLOC); }MACROE
+
+				#define Endpoint_ConfigureEndpoint(Number, Type, Direction, Size, Banks)            \
+													Endpoint_ConfigureEndpoint_Prv((Number),        \
+															  (((Type) << EPTYPE0) | (Direction)),  \
+															  ((1 << ALLOC) | (Banks) |             \
+																(__builtin_constant_p(Size) ?       \
+																 Endpoint_BytesToEPSizeMask(Size) : \
+																 Endpoint_BytesToEPSizeMaskDynamic(Size))))
+			#endif
 			
 			#define _ENDPOINT_GET_MAXSIZE(n)               _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## n)
 			#define _ENDPOINT_GET_MAXSIZE2(details)        _ENDPOINT_GET_MAXSIZE3(details)
@@ -1240,7 +1319,15 @@
 				#define ENDPOINT_DETAILS_EP4               64,  true
 				#define ENDPOINT_DETAILS_EP5               64,  true
 				#define ENDPOINT_DETAILS_EP6               64,  true
-			#else
+			#elif defined(USB_SERIES_UC3B_AVR)
+				#define ENDPOINT_DETAILS_EP0               64,  false
+				#define ENDPOINT_DETAILS_EP1               64,  true
+				#define ENDPOINT_DETAILS_EP2               64,  true
+				#define ENDPOINT_DETAILS_EP3               64,  true
+				#define ENDPOINT_DETAILS_EP4               64,  true
+				#define ENDPOINT_DETAILS_EP5               256, true
+				#define ENDPOINT_DETAILS_EP6               256, true				
+			#elif defined(USB_SERIES_2_AVR)
 				#define ENDPOINT_DETAILS_EP0               64,  true
 				#define ENDPOINT_DETAILS_EP1               64,  false
 				#define ENDPOINT_DETAILS_EP2               64,  false
@@ -1248,23 +1335,27 @@
 				#define ENDPOINT_DETAILS_EP4               64,  true			
 			#endif
 
-			#define Endpoint_ConfigureEndpoint(Number, Type, Direction, Size, Banks)            \
-			                                    Endpoint_ConfigureEndpoint_Prv((Number),        \
-			                                              (((Type) << EPTYPE0) | (Direction)),  \
-			                                              ((1 << ALLOC) | (Banks) |             \
-			                                                (__builtin_constant_p(Size) ?       \
-			                                                 Endpoint_BytesToEPSizeMask(Size) : \
-			                                                 Endpoint_BytesToEPSizeMaskDynamic(Size))))
-													
 		/* Function Prototypes: */
 			void    Endpoint_ClearEndpoints(void);
-			uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size);
-			bool    Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, const uint8_t UECFG0XData, const uint8_t UECFG1XData);
+			uintN_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size);
+			bool    Endpoint_ConfigureEndpoint_Prv(const uintN_t Number, const uintN_t UECFG0XData, const uintN_t UECFG1XData);
 			
 		/* Inline Functions: */
-			static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE;
-			static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)
+			static inline uintN_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE;
+			static inline uintN_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)
 			{
+				#if defined(__AVR32__)
+				uint8_t  MaskVal    = 0;
+				uint16_t CheckBytes = 8;
+				
+				while (CheckBytes < Bytes)
+				{
+					MaskVal++;
+					CheckBytes <<= 1;
+				}
+				
+				return (MaskVal << AVR32_USBB_EPSIZE);
+				#else
 				uint8_t  MaskVal    = 0;
 				uint16_t CheckBytes = 8;
 				
@@ -1275,6 +1366,7 @@
 				}
 				
 				return (MaskVal << EPSIZE0);
+				#endif
 			}
 
 	#endif
diff --git a/LUFA/Drivers/USB/LowLevel/Host.h b/LUFA/Drivers/USB/LowLevel/Host.h
index 1e4d3c96d1d11ee5a3b2f4b712180f188b06e6f4..82a90d2dfcd681bd01b1334c2605b33aae70b193 100644
--- a/LUFA/Drivers/USB/LowLevel/Host.h
+++ b/LUFA/Drivers/USB/LowLevel/Host.h
@@ -63,7 +63,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
@@ -165,25 +165,29 @@
 				 */
 				static inline bool USB_Host_IsResumeFromWakeupRequestSent(void);
 			#else
-				#define USB_Host_ResetBus()                MACROS{ UHCON |=  (1 << RESET);          }MACROE
-
-				#define USB_Host_IsBusResetComplete()      ((UHCON &   (1 << RESET)) ? false : true)
-
-				#define USB_Host_ResumeBus()               MACROS{ UHCON |=  (1 << SOFEN);          }MACROE 
-
-				#define USB_Host_SuspendBus()              MACROS{ UHCON &= ~(1 << SOFEN);          }MACROE 
-				
-				#define USB_Host_IsBusSuspended()                ((UHCON &   (1 << SOFEN)) ? false : true)
-			
-				#define USB_Host_IsDeviceFullSpeed()             ((USBSTA &  (1 << SPEED)) ? true : false)
-
-				#define USB_Host_IsRemoteWakeupSent()            ((UHINT &   (1 << RXRSMI)) ? true : false)
-
-				#define USB_Host_ClearRemoteWakeupSent()   MACROS{ UHINT &= ~(1 << RXRSMI);         }MACROE
-
-				#define USB_Host_ResumeFromWakeupRequest() MACROS{ UHCON |=  (1 << RESUME);         }MACROE
-				
-				#define USB_Host_IsResumeFromWakeupRequestSent() ((UHCON &   (1 << RESUME)) ? false : true)
+				#if defined(__AVR32__)
+					#define USB_Host_ResetBus()                MACROS{ AVR32_USBB.UHCON.reset = true;   }MACROE
+					#define USB_Host_IsBusResetComplete()              AVR32_USBB.UHCON.reset
+					#define USB_Host_ResumeBus()               MACROS{ AVR32_USBB.UHCON.sofen = true;   }MACROE 
+					#define USB_Host_SuspendBus()              MACROS{ AVR32_USBB.UHCON.sofen = false;  }MACROE 
+					#define USB_Host_IsBusSuspended()                  AVR32_USBB.UHCON.sofen
+					#define USB_Host_IsDeviceFullSpeed()              (AVR32_USBB.USBSTA.speed == 0)   
+					#define USB_Host_IsRemoteWakeupSent()              AVR32_USBB.UHINT.rxrsmi
+					#define USB_Host_ClearRemoteWakeupSent()   MACROS{ AVR32_USBB.UHINTCLR.rxrsmic = true; }MACROE
+					#define USB_Host_ResumeFromWakeupRequest() MACROS{ AVR32_USBB.UHCON.resume = true;     }MACROE
+					#define USB_Host_IsResumeFromWakeupRequestSent()   AVR32_USBB.UHCON.resume			
+				#elif defined(__AVR__)
+					#define USB_Host_ResetBus()                MACROS{ UHCON |=  (1 << RESET);          }MACROE
+					#define USB_Host_IsBusResetComplete()            ((UHCON &   (1 << RESET))  ? false : true)
+					#define USB_Host_ResumeBus()               MACROS{ UHCON |=  (1 << SOFEN);          }MACROE 
+					#define USB_Host_SuspendBus()              MACROS{ UHCON &= ~(1 << SOFEN);          }MACROE 
+					#define USB_Host_IsBusSuspended()                ((UHCON &   (1 << SOFEN))  ? false : true)
+					#define USB_Host_IsDeviceFullSpeed()             ((USBSTA &  (1 << SPEED))  ? true : false)
+					#define USB_Host_IsRemoteWakeupSent()            ((UHINT &   (1 << RXRSMI)) ? true : false)
+					#define USB_Host_ClearRemoteWakeupSent()   MACROS{ UHINT &= ~(1 << RXRSMI);         }MACROE
+					#define USB_Host_ResumeFromWakeupRequest() MACROS{ UHCON |=  (1 << RESUME);         }MACROE
+					#define USB_Host_IsResumeFromWakeupRequestSent() ((UHCON &   (1 << RESUME)) ? false : true)
+				#endif
 			#endif
 
 		/* Function Prototypes: */
@@ -381,20 +385,36 @@
 	/* Private Interface - For use in library only: */
 	#if !defined(__DOXYGEN__)
 		/* Macros: */
-			#define USB_Host_HostMode_On()          MACROS{ USBCON |=  (1 << HOST);           }MACROE
-			#define USB_Host_HostMode_Off()         MACROS{ USBCON &= ~(1 << HOST);           }MACROE
+			#if defined(__AVR32__)
+				#define USB_Host_HostMode_On()          MACROS{ AVR32_USBB.USBCON.uimod = false;  }MACROE
+				#define USB_Host_HostMode_Off()         MACROS{ AVR32_USBB.USBCON.uimod = true;   }MACROE
+
+				#define USB_Host_VBUS_Auto_Enable()     MACROS{ OTGCON &= ~(1 << VBUSHWC); UHWCON |=  (1 << UVCONE);                   }MACROE
+				#define USB_Host_VBUS_Manual_Enable()   MACROS{ OTGCON |=  (1 << VBUSHWC); UHWCON &= ~(1 << UVCONE); DDRE |= (1 << 7); }MACROE
+
+				#define USB_Host_VBUS_Auto_On()         MACROS{ OTGCON |= (1 << VBUSREQ);         }MACROE
+				#define USB_Host_VBUS_Manual_On()       MACROS{ PORTE  |= (1 << 7);               }MACROE
 
-			#define USB_Host_VBUS_Auto_Enable()     MACROS{ OTGCON &= ~(1 << VBUSHWC); UHWCON |=  (1 << UVCONE);                   }MACROE
-			#define USB_Host_VBUS_Manual_Enable()   MACROS{ OTGCON |=  (1 << VBUSHWC); UHWCON &= ~(1 << UVCONE); DDRE |= (1 << 7); }MACROE
+				#define USB_Host_VBUS_Auto_Off()        MACROS{ OTGCON |=  (1 << VBUSRQC);        }MACROE
+				#define USB_Host_VBUS_Manual_Off()      MACROS{ PORTE  &= ~(1 << 7);              }MACROE
 
-			#define USB_Host_VBUS_Auto_On()         MACROS{ OTGCON |= (1 << VBUSREQ);         }MACROE
-			#define USB_Host_VBUS_Manual_On()       MACROS{ PORTE  |= (1 << 7);               }MACROE
+				#define USB_Host_SetDeviceAddress(addr) MACROS{ UHADDR  =  ((addr) & 0x7F);       }MACROE			
+			#elif defined(__AVR__)
+				#define USB_Host_HostMode_On()          MACROS{ USBCON |=  (1 << HOST);           }MACROE
+				#define USB_Host_HostMode_Off()         MACROS{ USBCON &= ~(1 << HOST);           }MACROE
 
-			#define USB_Host_VBUS_Auto_Off()        MACROS{ OTGCON |=  (1 << VBUSRQC);        }MACROE
-			#define USB_Host_VBUS_Manual_Off()      MACROS{ PORTE  &= ~(1 << 7);              }MACROE
+				#define USB_Host_VBUS_Auto_Enable()     MACROS{ OTGCON &= ~(1 << VBUSHWC); UHWCON |=  (1 << UVCONE);                   }MACROE
+				#define USB_Host_VBUS_Manual_Enable()   MACROS{ OTGCON |=  (1 << VBUSHWC); UHWCON &= ~(1 << UVCONE); DDRE |= (1 << 7); }MACROE
 
-			#define USB_Host_SetDeviceAddress(addr) MACROS{ UHADDR  =  ((addr) & 0x7F);       }MACROE
+				#define USB_Host_VBUS_Auto_On()         MACROS{ OTGCON |= (1 << VBUSREQ);         }MACROE
+				#define USB_Host_VBUS_Manual_On()       MACROS{ PORTE  |= (1 << 7);               }MACROE
 
+				#define USB_Host_VBUS_Auto_Off()        MACROS{ OTGCON |=  (1 << VBUSRQC);        }MACROE
+				#define USB_Host_VBUS_Manual_Off()      MACROS{ PORTE  &= ~(1 << 7);              }MACROE
+
+				#define USB_Host_SetDeviceAddress(addr) MACROS{ UHADDR  =  ((addr) & 0x7F);       }MACROE
+			#endif
+			
 		/* Enums: */
 			enum USB_Host_WaitMSErrorCodes_t
 			{
diff --git a/LUFA/Drivers/USB/LowLevel/HostChapter9.h b/LUFA/Drivers/USB/LowLevel/HostChapter9.h
index 1bd8b6f971913dcddfe057f39c95b9dc80822e17..5bf228ee20ab49c142b0d72347a7e167fb3f8065 100644
--- a/LUFA/Drivers/USB/LowLevel/HostChapter9.h
+++ b/LUFA/Drivers/USB/LowLevel/HostChapter9.h
@@ -52,7 +52,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/LowLevel/LowLevel.c b/LUFA/Drivers/USB/LowLevel/LowLevel.c
index f4f277ccb7d4229fc7bce25ef18539fd97827d37..0d220cedca7e97ceb4e8b11dec1caa0c00c390c7 100644
--- a/LUFA/Drivers/USB/LowLevel/LowLevel.c
+++ b/LUFA/Drivers/USB/LowLevel/LowLevel.c
@@ -39,6 +39,10 @@ volatile uint8_t USB_CurrentMode = USB_MODE_NONE;
 volatile uint8_t USB_Options;
 #endif
 
+#if defined(__AVR32__) && !defined(CONTROL_ONLY_DEVICE)
+uint8_t USB_SelectedEPNumber;
+#endif
+
 void USB_Init(
                #if defined(USB_CAN_BE_BOTH)
                const uint8_t Mode
@@ -55,6 +59,10 @@ void USB_Init(
                #endif
                )
 {
+	#if defined(__AVR32__)
+	USB_SelectedEPNumber = 0;
+	#endif
+
 	#if defined(USB_CAN_BE_BOTH)
 	USB_CurrentMode = Mode;
 	#endif
diff --git a/LUFA/Drivers/USB/LowLevel/LowLevel.h b/LUFA/Drivers/USB/LowLevel/LowLevel.h
index 581dfd11361a9fba262c3bf304b046cfd3158b06..2c8ade7b3bb7a4a0e8475270c775c0835f281d4a 100644
--- a/LUFA/Drivers/USB/LowLevel/LowLevel.h
+++ b/LUFA/Drivers/USB/LowLevel/LowLevel.h
@@ -39,6 +39,15 @@
 #ifndef __USBLOWLEVEL_H__
 #define __USBLOWLEVEL_H__
 
+	/* External Variables: */
+		#if defined(__AVR32__)
+			#if !defined(CONTROL_ONLY_DEVICE)
+				extern uint8_t USB_SelectedEPNumber;
+			#else
+				#define USB_SelectedEPNumber  0
+			#endif
+		#endif
+	
 	/* Includes: */
 		#if defined(__AVR32__)
 			#include <avr32/io.h>
@@ -77,7 +86,7 @@
 
 	/* Preprocessor Checks and Defines: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 
 		#if !defined(F_CLOCK)
@@ -354,16 +363,22 @@
 			#define USB_Controller_Disable()   MACROS{ USBCON  &= ~(1 << USBE);                 }MACROE
 			#define USB_Controller_Reset()     MACROS{ const uint8_t Temp = USBCON; USBCON = (Temp & ~(1 << USBE)); \
 			                                           USBCON = (Temp | (1 << USBE));           }MACROE
-	
 		/* Inline Functions: */
 			#if defined(USB_CAN_BE_BOTH)
 			static inline uint8_t USB_GetUSBModeFromUID(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
 			static inline uint8_t USB_GetUSBModeFromUID(void)
 			{
+				#if defined(__AVR32__)
+				if (AVR32_USBB.USBSTA.id)
+				  return USB_MODE_DEVICE;
+				else
+				  return USB_MODE_HOST;				
+				#elif defined(__AVR__)
 				if (USBSTA & (1 << ID))
 				  return USB_MODE_DEVICE;
 				else
 				  return USB_MODE_HOST;
+				#endif
 			}
 			#endif
 			
diff --git a/LUFA/Drivers/USB/LowLevel/OTG.h b/LUFA/Drivers/USB/LowLevel/OTG.h
index acbd47937af1e03d585aad9a0506b2ad45115726..717b040075d30ec2f4bbd15cbc24b9a40e1adf5f 100644
--- a/LUFA/Drivers/USB/LowLevel/OTG.h
+++ b/LUFA/Drivers/USB/LowLevel/OTG.h
@@ -55,7 +55,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index 08935e1f111b2648e1fe53204544e91b1c731bea..fca44d8665d2e51925cdff044b8a2fe998305908 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -86,6 +86,7 @@
 		#endif
 
 		#include "../../../Common/Common.h"
+		#include "LowLevel.h"
 		#include "../HighLevel/USBTask.h"
 
 		#if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__)
@@ -99,7 +100,7 @@
 
 	/* Preprocessor Checks: */
 		#if !defined(__INCLUDE_FROM_USB_DRIVER)
-			#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+			#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
 		#endif
 		
 	/* Public Interface - May be used in end-application: */
@@ -554,7 +555,7 @@
 			static inline uint8_t Pipe_Read_Byte(void)
 			{
 				#if defined(__AVR32__)
-				return 0; // TODO
+				return __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				return UPDATX;
 				#endif
@@ -570,7 +571,7 @@
 			static inline void Pipe_Write_Byte(const uint8_t Byte)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = Byte;
 				#elif defined(__AVR__)
 				UPDATX = Byte;
 				#endif
@@ -586,7 +587,7 @@
 				uint8_t Dummy;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Dummy = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Dummy = UPDATX;
 				#endif
@@ -609,7 +610,8 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[0] = UPDATX;
 				Data.Bytes[1] = UPDATX;
@@ -635,7 +637,8 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[1] = UPDATX;
 				Data.Bytes[0] = UPDATX;
@@ -655,7 +658,8 @@
 			static inline void Pipe_Write_Word_LE(const uint16_t Word)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (Word & 0xFF);
+				__AVR32_EPREG_X(UEDAT0) = (Word >> 8);
 				#elif defined(__AVR__)
 				UPDATX = (Word & 0xFF);
 				UPDATX = (Word >> 8);
@@ -673,7 +677,8 @@
 			static inline void Pipe_Write_Word_BE(const uint16_t Word)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (Word >> 8);
+				__AVR32_EPREG_X(UEDAT0) = (Word & 0xFF);
 				#elif defined(__AVR__)
 				UPDATX = (Word >> 8);
 				UPDATX = (Word & 0xFF);
@@ -690,7 +695,8 @@
 				uint8_t Dummy;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Dummy = UPDATX;
 				Dummy = UPDATX;
@@ -714,7 +720,10 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[2] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[3] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[0] = UPDATX;
 				Data.Bytes[1] = UPDATX;
@@ -742,12 +751,16 @@
 				} Data;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Data.Bytes[3] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[2] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[1] = __AVR32_EPREG_X(UEDAT0);
+				Data.Bytes[0] = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Data.Bytes[3] = UPDATX;
 				Data.Bytes[2] = UPDATX;
 				Data.Bytes[1] = UPDATX;
 				Data.Bytes[0] = UPDATX;
+				#endif
 			
 				return Data.DWord;
 			}
@@ -763,7 +776,10 @@
 			static inline void Pipe_Write_DWord_LE(const uint32_t DWord)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (DWord &  0xFF);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 8);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 16);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 24);
 				#elif defined(__AVR__)
 				UPDATX = (DWord &  0xFF);
 				UPDATX = (DWord >> 8);
@@ -783,7 +799,10 @@
 			static inline void Pipe_Write_DWord_BE(const uint32_t DWord)
 			{
 				#if defined(__AVR32__)
-				// TODO
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 24);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 16);
+				__AVR32_EPREG_X(UEDAT0) = (DWord >> 8);
+				__AVR32_EPREG_X(UEDAT0) = (DWord &  0xFF);
 				#elif defined(__AVR__)
 				UPDATX = (DWord >> 24);
 				UPDATX = (DWord >> 16);
@@ -802,7 +821,10 @@
 				uint8_t Dummy;
 				
 				#if defined(__AVR32__)
-				// TODO
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
+				Dummy = __AVR32_EPREG_X(UEDAT0);
 				#elif defined(__AVR__)
 				Dummy = UPDATX;
 				Dummy = UPDATX;
@@ -932,6 +954,8 @@
 			 *  \param[in] Length    Number of bytes to read for the currently selected pipe into the buffer.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Pipe_Write_EStream_LE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -981,6 +1005,8 @@
 			 *  \param[in] Length    Number of bytes to read for the currently selected pipe into the buffer.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Pipe_Write_EStream_BE(const void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -1030,6 +1056,8 @@
 			 *  \param[in] Length    Number of bytes to read for the currently selected pipe to read from.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Pipe_Read_EStream_LE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -1065,6 +1093,8 @@
 			 *  \param[in] Length    Number of bytes to read for the currently selected pipe to read from.
 			 *  \param[in] Callback  Name of a callback routine to call between successive USB packet transfers, NULL if no callback
 			 *
+			 *  \note Not available on AVR32 UC3B targets.
+			 *
 			 *  \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
 			 */
 			uint8_t Pipe_Read_EStream_BE(void* Buffer, uint16_t Length __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1);
@@ -1085,9 +1115,13 @@
 			void Pipe_ClearPipes(void);
 
 		/* Inline Functions: */
-			static inline uint8_t Pipe_BytesToEPSizeMask(uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE;
-			static inline uint8_t Pipe_BytesToEPSizeMask(uint16_t Bytes)
+			static inline uintN_t Pipe_BytesToEPSizeMask(uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE;
+			static inline uintN_t Pipe_BytesToEPSizeMask(uint16_t Bytes)
 			{
+				#if defined(__AVR32__)
+				// TODO
+				return 0;
+				#elif defined(__AVR__)
 				if (Bytes <= 8)
 				  return (0 << EPSIZE0);
 				else if (Bytes <= 16)
@@ -1100,6 +1134,7 @@
 				  return (4 << EPSIZE0);
 				else
 				  return (5 << EPSIZE0);
+				#endif
 			}
 
 	#endif
diff --git a/LUFA/Drivers/USB/USB.h b/LUFA/Drivers/USB/USB.h
index 484978bedea7dad7b8688c50b3bec2ac0f996b76..d648ebe51885643c53e91b4dbb635690d5163331 100644
--- a/LUFA/Drivers/USB/USB.h
+++ b/LUFA/Drivers/USB/USB.h
@@ -354,6 +354,10 @@
 		#if !defined(__DOXYGEN__)
 			#define __INCLUDE_FROM_USB_DRIVER
 		#endif
+		
+		#if defined(__AVR32__)
+			#define __AVR32_EPREG_X(x) ((volatile uint32_t*)AVR32_USBB_ ## x)[USB_SelectedEPNumber]			
+		#endif
 
 	/* Includes: */
 		#include "HighLevel/USBMode.h"
diff --git a/LUFA/ManPages/CompileTimeTokens.txt b/LUFA/ManPages/CompileTimeTokens.txt
index 9beeecebe51aea41708319aa559d2bd1c7202d66..5700c3aabe8b4d81754eabbeca2426cd6adc048c 100644
--- a/LUFA/ManPages/CompileTimeTokens.txt
+++ b/LUFA/ManPages/CompileTimeTokens.txt
@@ -148,6 +148,7 @@
  *  may be defined to a value between 0 and 2 to fix the state variable into one of the three general purpose IO registers inside the AVR
  *  reserved for application use. When defined, the corresponding GPIOR register should not be used within the user application except
  *  implicitly via the library APIs.
+ *  \note This compile time option is ignored for the AVR32 UC3B architecture.
  *
  *  <b>FIXED_NUM_CONFIGURATIONS</b>=<i>x</i> - ( \ref Group_Device ) \n
  *  By default, the library determines the number of configurations a USB device supports by reading the device descriptor. This reduces
@@ -186,6 +187,7 @@
  *  may be defined to a value between 0 and 2 to fix the state variable into one of the three general purpose IO registers inside the AVR
  *  reserved for application use. When defined, the corresponding GPIOR register should not be used within the user application except
  *  implicitly via the library APIs.
+ *  \note This compile time option is ignored for the AVR32 UC3B architecture.
  *
  *  <b>USB_HOST_TIMEOUT_MS</b>=<i>x</i> - ( \ref Group_Host ) \n
  *  When a control transfer is initiated in host mode to an attached device, a timeout is used to abort the transfer if the attached