Debugger

The DEBUGGER expansion is used to easily probe every output of the expansion pin socket, as well as to easily connect a JTAG debugger to the ECU.

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JTAG Debugger

A standard 20-pin JTAG connector is present on the debugger expansion. This allows the user to connect a debugger such as the ST-LINK V2 to easily develop and debug new firmware for the ECU.

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Schematic of the JTAG circuitry

Pinout

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Pinout of the DEBUGGER expansion’s connector