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Connector Pinouts

Common debug header​

Due to space constraints, the debug header on zzh is (sadly) non-standard:

zzh debug header pinout

To convert the zzh 5-pin debug header to a standard 10-pin Cortex Debug Connector, a small adapter PCB is needed (unless you hack and solder an IDC cable to the board directly). Design files for this adapter can be found in the repo.

With this adapter board plugged in to zzh, you can connect any debugger you wish to get access to the c/JTAG port. This little adapter board kit (some soldering required) is available as an optional add-on to zzh on Electrolama Shop.

The Debug Sandwich

(The Debug Sandwich: CC-DEVPACK-DEBUG on top of the zzh-debug-adapter on top of zzh.)