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1. Re: How to use JTAG EXTEST ?
geon Sep 7, 2016 3:41 AM (in response to knight_camper_1861791)Hi,
Since you are able to toggle LED JTAG is enabled and also IO port is strong mode. Can you post JTAG command sequence you are using and also error messages if any you are getting ?
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2. Re: How to use JTAG EXTEST ?
knight_camper_1861791 Sep 9, 2016 3:56 PM (in response to knight_camper_1861791)Hello,
Thanks for your answer it takes time for me to add comments in my svf file.
Please find attach.
So as I said within I toggle the IO with the IO register.
And I'm looking for a way to use properly EXTEST mode of JTAG.-
ToggleLed.txt.zip 1,003 bytes
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3. Re: How to use JTAG EXTEST ?
knight_camper_1861791 Sep 10, 2016 7:22 AM (in response to knight_camper_1861791)Hello,
This is my attempt to set the EXTEST instruction in TC TAP
I don't see any wrong with my approach maybe some one else will.-
PsocExtest.txt.zip 1.1 K
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4. Re: How to use JTAG EXTEST ?
knight_camper_1861791 Sep 12, 2016 12:36 PM (in response to knight_camper_1861791)Update. If I add the code to shift PRELOAD instruction and EXTEST to the toggleled.svf, the led is still on while PRELOAD instruction is load and BSR loaded with SDR. As soon as I shift EXTEST Led turn off and if I shift all one in all BSR register with SDR intruction the led remain off. Could this be because I only Set drive mode to strong on psoc port 3 and not all port ?