JTAG FX3 read gpio?

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DeAl_292241
Level 3
Level 3
First solution authored 10 replies posted 10 questions asked

Hi,

It seems that we cannot read a specific IOs on the FX3 with the JTAG port. Is-it possible for Cypress to confirm this?

Thanks,
Denis Alain, Eng

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JayakrishnaT_76
Moderator
Moderator
Moderator
First question asked 1000 replies posted 750 replies posted

Hello Denis,

The JTAG interface of FX3 is used for debugging firmware only. Please refer to the following KBA which already documents this:

https://community.cypress.com/t5/Knowledge-Base-Articles/EZ-USB-FX3-Boundary-Scanning-Support-KBA909...

Best Regards,
Jayakrishna

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2 Replies
JayakrishnaT_76
Moderator
Moderator
Moderator
First question asked 1000 replies posted 750 replies posted

Hello Denis,

The JTAG interface of FX3 is used for debugging firmware only. Please refer to the following KBA which already documents this:

https://community.cypress.com/t5/Knowledge-Base-Articles/EZ-USB-FX3-Boundary-Scanning-Support-KBA909...

Best Regards,
Jayakrishna
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DeAl_292241
Level 3
Level 3
First solution authored 10 replies posted 10 questions asked

Many thanks!

Denis.

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