3.3.1 Target Connection Pinout

The programming connector pin functions are different for various devices and interfaces. Refer to the following pinout tables for debug and data stream interfaces.
Note: Refer to the data sheet for the device you are using as well as the application notes for the specific interface for additional information and diagrams.
Table 3-1. Pinouts for Debug Interfaces
MPLAB® PICkit™ Basic ConnectorDEBUG INTERFACETarget4 Connector
8-Pin SIL1ICSP™ (MCHP)MIPS EJTAGCortex® SWDAVR® JTAGAVR debugWIREAVR UPDIAVR PDIAVR ISPAVR TPI8-Pin SIL6-Pin SIL
Pin #Pin NamePin #Pin #
1TVPPMCLR/VPPMCLRRESETRESET311
2TVDDVDDVDD/VDDIOVDDVTGVTGVTGVTGVTGVTG22
3GNDGNDGNDGNDGNDGNDGNDGNDGNDGND33
4PGDDATTDOSWO2TDODAT3DATMISODAT44
5PGCCLKTCKSWCLKTCKSCKCLK55
6TAUXRESETRESET/dWCLKRESETRESET66
7TTDITDITDIMOSI7
8TTMSTMSSWDIO2TMS8
  1. Use of a 6-pin header will result in the loss of functions on Pins 7 and 8 affecting EJTAG, JTAG, SWD and ISP.
  2. SWO is used for trace (see release notes for trace support) SWDIO is used for debug.
  3. Pin may be used for High-Voltage Pulse reactivation of UPDI function depending on device. Usually a low pin count AVR device (see device data sheet for details). However, MPLAB PICkit Basic cannot generate the high voltage pulse to reactivate the UPDI interface if the UPDI pin is configured as GPIO or RESET by configuring the RSTPINCFG configuration bits. A different tool will need to be used to do this, such as the MPLAB PICkit™ 5.
  4. These are example target connectors that are assumed similar to the debugger unit (SIL).
Table 3-2. Pinouts for Data Stream Interfaces
MPLAB® PICkit™ Basic 8-Pin SIL ConnectorDATA STREAMTarget 8-Pin SIL Connector
Pin #UART / CDC1Pin #
11
2VTG2
3GND3
44
55
66
7TX (target)7
8RX (target)8
  1. See “Readme for PICkit Basic” for more information.