From 0014cc64427b1c53fd8b1c1edf90d48634eade8c Mon Sep 17 00:00:00 2001 From: Jan Michel Date: Tue, 23 Jul 2024 07:38:21 +0200 Subject: [PATCH] add short info about debug uart --- trb3/AdditionalModules.tex | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/trb3/AdditionalModules.tex b/trb3/AdditionalModules.tex index c7c8a8b..da7f6c6 100644 --- a/trb3/AdditionalModules.tex +++ b/trb3/AdditionalModules.tex @@ -127,7 +127,10 @@ means ``end of file''. In 32 bit mode, 2 more padding bytes are added in order t 16 bit mode 4 data words can be stored, and in 32 bit mode 2 data words. The data words are always stored in big-endian. - +\subsection{Debug Interface} +If included in the design, two pins of the boards are used as a UART interface at 115.2 kbaud 8N1. Perl scripts can use this interface +instead of the normal HADES::TrbNet by including daqtools/perllibs/TrbNetUart.pm. With manual access the syntax is \verb!Raaaa! or \verb!Waaaavvvvvvvv!, +where aaaa is the register address and vvvvvvvv is the value to be written, both in hexadecimal numbers. -- 2.43.0