UEXT:
Pin # Signal Name
1 VCC
2 GND
3 D7(TXD1)
4 D8(RXD1)
5 D29(SCL2)
6 D30(SDA2)
7 D12(MISO1)
8 D11(MOSI1)
9 D13(SCK/LED1)D13(SCK1/LED1)
10 UEXT_#CS
PWR_JACK:
Pin # Signal Name
1 Power Input
2 GND
CON1 – POWER:
Pin # Signal Name
1 RESET
2 VCC (3V3)
3 VDD (3V3A)
4 GND
5 GND
6 VIN
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