From b9f1c4fc403b5cc2e2284b1aadd055ccfb33b8c8 Mon Sep 17 00:00:00 2001 From: m0bil <119492259+m0bil@users.noreply.github.com> Date: Sat, 11 Oct 2025 23:38:53 +0200 Subject: [PATCH] Update jtag_notes.md for updated RPi pinout newer Raspberry Pi OpenOCD releases have changed TMS from PIN 22 to PIN 24 Signed-off-by: m0bil <119492259+m0bil@users.noreply.github.com> --- doc/jtag_notes.md | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/jtag_notes.md b/doc/jtag_notes.md index aaad58161..0fcac5333 100644 --- a/doc/jtag_notes.md +++ b/doc/jtag_notes.md @@ -94,6 +94,7 @@ TCK | 23 GND | 6 3.3 | 1 ``` +To comply with The JTAG/SWD specification, newer OpenOCD releases have changed TMS from PIN 22 (GPIO 25, pulled-down by default) to PIN 24 (GPIO 8, pulled-up by default). Check OpenOCD output for the text "Warn : TMS/SWDIO moved to GPIO 8 (pin 24). Check the wiring please!" to see if you need such change. # Notes for enabling JTAG port ^[Top](#top)