Revision History

Initial release of this document.

• Added information on the Debug Adapter Board in MPLAB PICkit 4 In-Circuit Debugger Components.
• Expanded Table 1 table to include pinouts for additional interfaces.
• Added a note to refer to device data sheets and application notes for debug interfaces in Pinouts for Interfaces and Target Communication Connections.

• Updated diagram in Figure 1 .
• Updated information in TableTable 1.
• Added Figure 1 to provide pinout information for the debugger adapter board (AC102015) for use with the PICkit 4 and various interfaces.

• Added Programmer-To-Go section and updated references to Programmer-To-Go throughout document.
• Updated diagram of MPLAB PICkit 4.
• Added Engineering Technical Notes (ETNs) section.
• Modified target voltage values.

• Clarified wording for low and high voltage program mode entry voltage values in MPLAB PICkit 4 In-Circuit Debugger Advantages and Table 1.

• Added Tool Pack Selection option (Tool Pack Selection), replacing the Firmware option, in the Debugger Function Summary.
• Changed dW to debugWIRE for clarification in Table 1
• Added clarification for TX and RX interfaces and notes in Table 2

• Removed references to headers throughout the document and added notices that the MPLAB PICkit 4 does not support debug headers.