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Sayali's avatar
Sayali
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1 year ago

Error: can't access JTAG chain

I am using MAX V 5M160ZE64I5N programmable device. While I am trying to connect custom PCB board having the programmable device using USB blaster for JTAG communication, the following errors are ob...
Programmable Logic Device
Sayali's avatar
Sayali
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1 year ago

The signals TDI, TMS, TCK, TDO from USB blaster to our custom PCB board is connected as shown in the connection image attached.

Also, attaching the image indicating placement of pull up, pull down resistors on PCB board.

Further images indicates all signals observed on oscilloscope.