User manual
Hardware
2011 Microchip Technology Inc. DS70319B-page 19
2.3 AUXILIARY HEADER PINOUTS
The two auxiliary headers, J17 and J18, allow for monitoring and debugging other pins
from the microcontroller as well as the CAN and LIN pins. Depending on which devel-
opment board is being used, the auxiliary headers have different pinouts. Table 2-1
maps out microcontroller pins to header pins for both development boards, the PIC18
Explorer Board and the Explorer 16 Board. Refer to Figure A-4 for the schematic of the
headers.
Table 2-1: PINOUT MAP FOR MICROCONTROLLERS TO DEBUG HEADERS
Header
Pin # on
Header
Name of Pin on
Header
PIC18 Explorer Pin Explorer 16 Pin
J17 1 DEBUG1 RE2 RB2
J17 2 DEBUG2 RA5 RF6
J17 3 DEBUG3 RE3 RF7
J17 4 DEBUG4 RA4 RG2
J17 5 DEBUG5 RA7 RF8
J17 6 DEBUG6 RA3 RG3
J17 7 DEBUG7 RA6 RB0
J17 8 DEBUG8 RC5 RB1
J17 9 DEBUG9 RC4 RB3
J17 10 DEBUG10 RC3 RB4
J17 11 DEBUG11 RB7 RE9
J17 12 DEBUG12 RA0 RD14
J17 13 DEBUG13 RB6 RG0
J17 14 DEBUG14 RA1 RG1
J17 15 DEBUG15 RA2 RG9
J17 16 DEBUG16 RC0 RG6
J17 17 DEBUG17 RC1 RG7
J17 18 DEBUG18 RB0 RA2
J17 19 DEBUG19 RD1 RG8
J17 20 DEBUG20 RD0 RA3
J17 21 DEBUG21 RD3 RB8
J17 22 DEBUG22 RD2 RB9
J17 23 DEBUG23 RD5 RA9
J17 24 DEBUG24 RD4 RA10
J17 25 DEBUG25 RE1 RA15
J17 26 DEBUG26 RE0 RF12
J17 27 DEBUG27 RG1 RG15
J17 28 DEBUG28 RG2 RG13
J17 29 DEBUG29 RG5 RG12
J17 30 DEBUG30 RG4 RG14
J18 1 DEBUG31 RF1 RA0
J18 2 DEBUG32 RF0 RA1
J18 3 DEBUG33 RF3 RA4
J18 4 DEBUG34 RF2 RA5
J18 5 DEBUG35 RF5 RA6
J18 6 DEBUG36 RF4 RA7
J18 7 DEBUG37 RF7 RB6