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Phison PS3111-S11 14 Point Test Pad Pinout

Posted: October 15th, 2022, 12:40
by jeremyb
Does anyone know the JTAG/SWD pad pinout for these Phison PS3111-S11 based PCB's... They don't appear to be SWD, maybe JTAG but I can't figure out the pin-out.

I'm hoping one of you guru's can help out.

Thanks

Re: Phison PS3111-S11 14 Point Test Pad Pinout

Posted: October 15th, 2022, 17:04
by fzabkar
Are there any Phison reference designs in the wild? The number would be stenciled on the other side of the PCB.

Re: Phison PS3111-S11 14 Point Test Pad Pinout

Posted: November 1st, 2022, 8:53
by TakeTwo
Which drives use SWD?
What did you try so far for reverse engineering the pinout?

Re: Phison PS3111-S11 14 Point Test Pad Pinout

Posted: November 7th, 2022, 7:21
by Agrail
Do you know the assembler type that the controller is running on? This is Xtensa. What tool will you use to debug it?