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Registered: ‎08-22-2019

Zynq-7000 JTAG clock at PS

Does Zynq-7000 PS requires valid operating PS clock  for the PS to respond to JTAG IDCODE read? E.G. will PS respond to JTAG without cpu clock?

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Registered: ‎08-22-2019

Re: Zynq-7000 JTAG clock at PS

On a custom zynq board the PS didn't present IDCODE on JTAG read until CLK was valid for the PS, where can i find supporting documantation ?

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Registered: ‎08-22-2019

Re: Zynq-7000 JTAG clock at PS

See pg 191 on TRM