3.3.1 Target Connection Pinout

The table below shows the pinout of the target end of the cable connected from the MPLAB ICE 4 unit to either an adapter board or a 40-pin connector on the target board.

Table 3-2. Emulator Connector Pin Functions on Target
Pin	Description	Function(s)	Pin	Description	Function(s)
1	CS- A	Power Monitor	2	CS+ A	Power Monitor
3	CS- B	Power Monitor	4	CS+ B	Power Monitor
5	UTIL SDA	Reserved	6	UTIL SCL	Reserved
7	DGI SPI nCS	DGI SPI nCS,PORT6, TRIG6	8	DGI SPI SCK	DGI SPI SCK, SPI SCK, PORT7, TRIG7
9	DGI SPI MOSI	DGI SPI MOSI, SPI DATA, PORT5, TRIG5	10	DGI SPI MISO	DGI SPI MISO, PORT4, TRIG4
11	3V3	Reserved	12	GND	GND
13	DGI GPIO3	DGI GPIO3, PORT3, TRIG3	14	TRCLK	TRCLK, TRACECLK,
15	DGI GPIO2	DGI GPIO2, PORT2, TRIG2	16	GND	GND
17	DGI GPIO1	DGI GPIO1, PORT1, TRIG1	18	TRDAT3	TRDAT3, TRACEDATA(3)
19	DGI GPIO0	DGI GPIO0, PORT0, TRIG0	20	GND	GND
21	5V0	Reserved	22	TRDAT2	TRDAT2, TRACEDATA(2)
23	DGI VCP RXD	DGI RXD, CICD RXD, VCD RXD	24	GND	GND
25	DGI VCP TXD	DGI TXD, CICD TXD, VCD TXD	26	TRDAT1	TRDAT1, TRACEDATA(1)
27	DGI I2C SDA	DGI I2C SDA	28	GND	GND
29	DGI I2C SCL	DGI I2C SCL	30	TRDAT0	TRDAT0, TRACEDATA(0)
31	TV_DD PWR	TV_DD PWR	32	GND	GND
33	TDI IO	TDI IO, TDI, MOSI	34	TMS IO	TMS IO, SWD IO, TMS
35	TPGC IO	TPGC IO, TPGC, SWCLK, TCK, SCK	36	TAUX IO	TAUX IO, AUX, DW, RESET
37	TV_PP IO	TV_PP/MCLR, nMCLR, RST	38	TPGD IO	TPGD IO, TPGD, SWO,TDO, MISO, DAT
39	TV_DD PWR	TV_DD PWR	40	TV_DD PWR	TV_DD PWR

MPLAB ICE 4 In-Circuit Emulator User's Guide

3.3.1 Target Connection Pinout