From b46c10e66134eac75010ee860ca7c2f246898dbe Mon Sep 17 00:00:00 2001
From: Joerg Wunsch <j@uriah.heep.sax.de>
Date: Sun, 14 Jan 2018 20:30:30 +0000
Subject: [PATCH] Clarify TPI connections for USBtiny.

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1413 81a1dc3b-b13d-400b-aceb-764788c761c2
---
 avrdude.conf.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/avrdude.conf.in b/avrdude.conf.in
index 9689a12f..ae480501 100644
--- a/avrdude.conf.in
+++ b/avrdude.conf.in
@@ -866,6 +866,10 @@ programmer
   #usbproduct = "";
 ;
 
+# USBtiny can also be used for TPI programming.
+# In that case, a resistor of 1 kOhm is needed between MISO and MOSI
+# pins of the connector, and MISO (pin 1 of the 6-pin connector)
+# connects to TPIDATA.
 programmer
   id    = "usbtiny";
   desc  = "USBtiny simple USB programmer, https://learn.adafruit.com/usbtinyisp";