MPLAB® PICkit™ 4 Debugger 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.
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.
Table 1: Pinouts for Debug Interfaces
| MPLAB® PICkit™ 4 ICD | DEBUG | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pin # | Pin Name | ICSP™ (MCHP) | MIPS EJTAG | Cortex® SWD | AVR® JTAG | AVR ISP (& Dw) | UPDI | PDI | aW | dW (IRE) | TPI |
| 1 | TVPP | MCLR | MCLR | MCLR | |||||||
| 2 | TVDD | VDD | VIO_REF | VTG | VTG | VTG | VTG | VTG | VTG | VTG | VTG |
| 3 | GND | GND | GND | GND | GND | GND | GND | GND | GND | GND | GND |
| 4 | PGD | DAT | TDO | SWO | TDO | MISO | DAT | DAT | DATA | DAT | |
| 5 | PGC | CLK | TCK | SWCLK | TCK | SCK | CLK | ||||
| 6 | TAUX | AUX | RESET | RESET | CLK | dW | RST | ||||
| 7 | TTDI | TDI | TDI | MOSI | |||||||
| 8 | TTMS | TMS | SWDIO | TMS | |||||||
| Module | BB | BB | BB | SPI | UART | USART | UART | BB | |||
Table 2: Pinouts for Data Stream Interfaces
| MPLAB PICkit 4 | DATA STREAM | |
|---|---|---|
| Pin # | DMCI / DGI U(S)ART / CDC | DGI SPI |
| 1 | ||
| 2 | VTG | |
| 3 | GND | |
| 4 | MISO | |
| 5 | SCK | |
| 6 | (SCK) | |
| 7 | TX | MOSI |
| 8 | RX | SS |
