2.1.3 UART Communication Header (J3)

The 3-pin Header J3 can be used for interfacing with an external serial-to-USB converter to establish serial communication with the Host PC for real-time debugging or monitoring application variables, utilizing tools such as the X2C-Scope plug-in available on Microchip MPLAB® X IDE. The pin details are provided here.

Table 2-4. Pin Description - Header J3
Pin No.	Signal Name	Pin Description
1	dsPIC_DEBUG_TX	AN18/CMP3C/ISRC3/RP74/PMD9/PMA9/RD10
2	dsPIC_DEBUG_RX	AN16/ISRC2/RP55/PMD8/PMA8/RC7
3	GND	Ground

DS70005664A

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