PIC18F6585 Datasheet, PDF (152/496 Pages) Microchip Technology – 64/68/80-Pin High-Performance, 64-Kbyte Enhanced Flash Microcontrollers with ECAN Module

PIC18F6585/8585/6680/8680
FIGURE 10-26:
RJ5:RJ0 PINS BLOCK DIAGRAM IN SYSTEM BUS MODE
Q
D
RD PORTJ
ENEN
RD LATJ
Data Bus
WR LATJ
or
PORTJ
D
Q
CK
Data Latch
Port ₀
Data ₁
WR TRISJ
DQ
CK
TRIS Latch
RD TRISJ
System Bus
Control
Control Out
External Enable
Drive System
Note 1: I/O pins have diode protection to VDD and VSS.
I/O pin⁽¹⁾
FIGURE 10-27: RJ7:RJ6 PINS BLOCK DIAGRAM IN SYSTEM BUS MODE
RD PORTJ
Q
D
ENEN
RD LATJ
Data Bus
WR LATJ
or
PORTJ
WR TRISJ
D
Q
CK
Data Latch
DQ
CK
TRIS Latch
Port ₀
Data ₁
System Bus
Control
RD TRISJ
UB/LB Out
WM = 01
Drive System
Note 1: I/O pins have diode protection to VDD and VSS.
I/O pin⁽¹⁾
DS30491C-page 150
 2004 Microchip Technology Inc.