CEC1702 clicker

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The Microchip CEC1702 clicker board does not come with an external debug connector. Therefore, in order to use an external debug probe like the J-Link, at the first, the Mikroe CEC1702 clicker board needs to be manually setup:

  1. Populate the header J1 (Marked red in attached picture) with a 2 x 5 pin header by soldering
  2. Connect your JLink debug probe with e.g. jumper wires with header J1 the following way (Pin 1 is marked with a white dot):
Pin header J1 J-Link
Pin 1 (VCC-3.3V) Pin 1 (VTref)
Pin 9 (GND) Pin 4 (GND)
Pin 7 (SHD_CS0) Do not connect
Pin 2 (JTAG_TMS) Pin 7 (TMS/SWDIO)
Pin 4 (JTAG_CLK) Pin 9 (TCK/SWCLK)
Pin 6 (JTAG_TDO) Pin 13 (TDO/SWO)
Pin 8 (JTAG_TDI) Pin 5 (TDI)
Pin 10 (JTAG_RST) Pin 15 (RESET)

Note: The CEC1702 MCU is only connected via SWD on this particular board even though the signals are named "JTAG" in the schematics so make sure to connect through SWD.

Mikroe CEC1702 clicker