ICD 4: Pinouts for Interfaces

The programming connector pin functions are different for various devices and interfaces. Refer to the following pinout tables for debug and data stream interfaces.

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Refer to the datasheet for the device you are using as well as the application notes for the specific interface for additional information and diagrams.

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For MPLAB® ICD 4 connector information, see the "Connecting an RJ-11 Type Cable to an RJ-45 Socket" page.

MPLAB ICD 4 DEBUG
Pin # Pin Name ICSP™ (MCHP) MIPS EJTAG Cortex® SWD JTAG DW(IRE) UPDI PDI AW AVR® _ISP TPI
8 TTDI TTDI TDI MOSI
7 TVPP MCLR MCLR MCLR
6 TVDD VDD VIO_REF VTG VTG VTG VTG VTG VTG VTG VTG
5 GND GND GND GND GND GND GND GND GND GND GND
4 PGD DAT TDO SWO TDO DAT DAT DATA MISO DAT
3 PGC CLK TCK SWCLK TCK SCK CLK
2 TAUX AUX TAUX RESET SW-DAT CLK RESET RST
1 TTMS TTMS SWDIO TMS
Table 1: Pinouts for Debug Interfaces

MPLAB ICD 4 DATA STREAM
Pin # DMCI / DGI1
U(S)ART / CDC		 DGI1 SPI
8 TX MOSI
7
6 VTG VTG
5 GND GND
4 MISO
3 SCK
2 (SCK)
1 RX SS
Note 1: For future use.
Table 2: Pinouts for Data Stream Interfaces

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