2009 Microchip Technology Inc.
DS39687E-page 1
PIC18F2XJXX/4XJXX FAMILY
1.0
DEVICE OVERVIEW
This document includes the programming specifications
for the following devices:
2.0
PROGRAMMING OVERVIEW
OF THE PIC18F2XJXX/4XJXX
FAMILY
The
PIC18F2XJXX/4XJXX
family
devices
are
programmed using In-Circuit Serial Programming
(ICSP). This programming specification applies to
devices of the PIC18F2XJXX/4XJXX family in all
package types.
2.1
Pin Diagrams
The pin diagrams for the PIC18F2XJXX/4XJXX family
are required for programming are listed in
Table 2-1and shown in darker lettering in the diagrams.
TABLE 2-1:
PIN DESCRIPTIONS (DURING PROGRAMMING): PIC18F2XJXX/4XJXX FAMILY
PIC18F24J10
PIC18LF24J10
PIC18F25J10
PIC18LF25J10
PIC18F44J10
PIC18LF44J10
PIC18F45J10
PIC18LF45J10
PIC18F24J11
PIC18LF24J11
PIC18F25J11
PIC18LF25J11
PIC18F26J11
PIC18LF26J11
PIC18F44J11
PIC18LF44J11
PIC18F45J11
PIC18LF45J11
PIC18F46J11
PIC18LF46J11
PIC18F26J13
PIC18LF26J13
PIC18F27J13
PIC18LF27J13
PIC18F46J13
PIC18LF46J13
PIC18F47J13
PIC18LF47J13
PIC18F24J50
PIC18LF24J50
PIC18F25J50
PIC18LF25J50
PIC18F26J50
PIC18LF26J50
PIC18F44J50
PIC18LF44J50
PIC18F45J50
PIC18LF45J50
PIC18F46J50
PIC18LF46J50
PIC18F26J53
PIC18LF26J53
PIC18F27J53
PIC18LF27J53
PIC18F46J53
PIC18LF46J53
PIC18F47J53
PIC18LF47J53
Pin Name
During Programming
Pin Name
Pin Type
Pin Description
MCLR
P
Programming Enable
VDD and AVDD(1)
VDD
P
Power Supply
VSS and AVSS(1)
VSS
PGround
VDDCORE/VCAP
VDDCORE
P
Regulated Power Supply for Microcontroller Core
VCAP
I
Filter Capacitor for On-Chip Voltage Regulator
RB6
PGC
I
Serial Clock
RB7
PGD
I/O
Serial Data
Legend: I = Input, O = Output, P = Power
Note 1:
All power supply and ground pins must be connected, including analog supplies (AVDD) and ground
(AVSS).
Flash Microcontroller Programming Specification