The SoC JTAG provides access to the NXP application processor when supported by the card. It is compatible with the NXP CodeWarrior Tap debugger [Ref 8]. It provides the SoC JTAG voltage reference (SoC_VREF) on the card.
| Signal | Pin | Pin | Signal |
|---|---|---|---|
| SoC_VREF | 1 | 2 | SoC JTAG TMS |
| GND | 3 | 4 | SoC JTAG TCK |
| GND | 5 | 6 | SoC JTAG TDO |
| NC | 7 | 8 | SoC JTAG TDI |
| GND | 9 | 10 | SoC RST |