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JTAG detection on CCA-80 cubie4 board

Started by DineshSudham, May 20, 2017, 04:32:08 am

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DineshSudham

Hi,

I am working on cubieboard4,I want connect JTAG into it,according schematics on j20 connector 21,22,23, and 24 are jtag pins,Si i took these pins out connected to jtag connector,but I am not able to see any luck on this.

Do we need to change software in boot0 or boot1.

if anyone knows how we connect jatg to CC-A80 cubieboard4 V1.2 please share here,thanks a millions in advance.

Regards,
Dinesh.S.