Difference between revisions of "ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/JTAG"
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=== Description === | === Description === | ||
| − | The JTAG interface is available on the Evaluation Kit at the connector | + | 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. | |
| − | [[File: | + | [[File:ETRA-EVB-JTAG-connector.png|thumb|center|500px|JTAG connector]] |
===Signals === | ===Signals === | ||
Revision as of 11:07, 11 January 2021
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JTAG interface[edit | edit source]
Description[edit | edit source]
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.
File:ETRA-EVB-JTAG-connector.png
JTAG connector
Signals[edit | edit source]
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 |
