PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 114

• Manufacturer Part Number: PIC18F6620
• Description: Microcontroller
• Manufacturer: Microchip

PIC18F6520/8520/6620/8620/6720/8720
FIGURE 10-10:
DS39609B-page 112
Note 1: I/O pins have protection diodes to V
System Bus
PORTD BLOCK DIAGRAM IN SYSTEM BUS MODE
Control
RD PORTD
RD LATD
Data Bus
RD TRISD
Bus Enable
Data/TRIS Out
Drive Bus
Instruction Register
Instruction Read
WR LATD
or PORTD
WR TRISD
TRIS Latch
Data Latch
D
D
CK
CK
DD
Q
Q
and V
Q
SS
EN
Data
.
Port
EN
D
0
1
 2004 Microchip Technology Inc.
I/O pin
TTL
Input
Buffer
(1)