From f0d5963b3bc8a8c93fe4c64ba38307029c240fef Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Mon, 26 Dec 2022 13:23:53 -0500
Subject: [PATCH] wip
---
GPIO/RP2040/ring.RP2040.ino | 2 ++
1 file changed, 2 insertions(+)
diff --git a/GPIO/RP2040/ring.RP2040.ino b/GPIO/RP2040/ring.RP2040.ino
index b73dd8d..63b6548 100644
--- a/GPIO/RP2040/ring.RP2040.ino
+++ b/GPIO/RP2040/ring.RP2040.ino
@@ -31,6 +31,7 @@ void setup1() {
void loop1() {
//
// direct port I/O version
+ // 12.9 MHz at 250 MHz clock
// 9.17 MHz at 133 MHz clock
//
uint32_t pin1 = (1 << 1);
@@ -43,6 +44,7 @@ void loop1() {
}
//
// Arduino version
+ // 1.11 MHz at 250 MHz clock
// 584 kHz at 133 MHz clock
//
/*
--
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