PIC18F6X2X Datasheet, PDF (131/386 Pages) Microchip Technology – 64/80-Pin High Performance, 64-Kbyte Enhanced FLASH Microcontrollers with A/D

PIC18F6X2X/8X2X
TABLE 10-17: PORTJ FUNCTIONS
Name
Bit# Buffer Type
Function
RJ0/ALE
bit 0
ST
Input/output port pin or Address Latch Enable control for external
memory interface.
RJ1/OE
bit 1
ST
Input/output port pin or Output Enable control for external memory
interface.
RJ2/WRL
bit 2
ST
Input/output port pin or Write Low Byte control for external memory
interface.
RJ3/WRH
RJ4/BA0
bit 3
ST
Input/output port pin or Write High Byte control for external memory
interface.
bit 4
ST
Input/output port pin or Byte Address 0 control for external memory
interface.
RJ5/CE
bit 5
ST
Input/output port pin or Chip Enable control for external memory
interface.
RJ6/LB
bit 6
ST
Input/output port pin or Lower Byte Select control for external
memory interface.
RJ7/UB
bit 7
ST
Legend: ST = Schmitt Trigger input
Input/output port pin or Upper Byte Select control for external
memory interface.
TABLE 10-18: SUMMARY OF REGISTERS ASSOCIATED WITH PORTJ
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
PORTJ
LATJ
TRISJ
Legend:
Read PORTJ pin/Write PORTJ Data Latch
LATJ Data Output Register
Data Direction Control Register for PORTJ
x = unknown, u = unchanged
Value on
POR, BOR
Value on
all other
RESETS
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
1111 1111 1111 1111
 2003 Microchip Technology Inc.
Advance Information
DS39612A-page 129