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-rw-r--r--doc/pio.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/pio.txt b/doc/pio.txt
index 856111c..3332cc7 100644
--- a/doc/pio.txt
+++ b/doc/pio.txt
@@ -17,7 +17,7 @@ Connexions Relais
- in REPLIE PC13
- out FAX PC14
- out GPS EPPS PC15
-- out SQ2 PC0
+- out SQ2 PC0 (ATTN: is also enabling 5V USB OTG, turns on LD7)
- out DET 1750 PA8
- i/o Dallas 1-wire PA1