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ETRA SBC/Interfaces and Connectors/JTAG

< ETRA SBC
History
Issue Date Notes
2021/01/11 First Release


JTAG interfaceEdit

DescriptionEdit

The JTAG interface is available on the Evaluation Kit at the connector J11.

J11 is a 30 pin (2x15x2.54mm) header connector and is also used for expansion signlas.


 
JTAG connector

SignalsEdit

The following table describes the interface signals on J11 connector:

Pin# SOM Pin# Pin name Pin function Pin Notes
17 J18.62 VDD VDD reference voltage
19 J18.90 JTMS-SWDIO JTMS-SWDIO
21 J18.98 JTCK-SWCLK JTCK-SWCLK
23 J18.92 JTDI JTDI
25 J18.96 JTDO-TRACESWOO JTDO-TRACESWOO
27 J18.94 NJTRST NJTRST