PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 117

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

FIGURE 10-11:
FIGURE 10-12:
 2004 Microchip Technology Inc.
Note 1: I/O pins have diode protection to V
Note 1: I/O pins have protection diodes to V
Peripheral Out Select
Peripheral Data Out
RD LATE
Data Bus
WR LATE
WR TRISE
RD TRISE
Peripheral Enable
RD PORTE
Peripheral Data In
or WR PORTE
System Bus
PIC18F6520/8520/6620/8620/6720/8720
Control
PORTE BLOCK DIAGRAM IN I/O MODE
PORTE BLOCK DIAGRAM IN SYSTEM BUS MODE
TRIS Latch
Data Latch
D
D
CK
CK
RD PORTE
Data Bus
Instruction Read
RD LATE
WR LATE
WR TRISE
RD TRISE
Bus Enable
Data/TRIS Out
Drive Bus
Instruction Register
or PORTE
Q
Q
Q
Q
DD
TRIS Latch
Data Latch
D
D
DD
CK
CK
and V
Override
and V
TRIS
0
1
Q
Q
SS
Q
SS
.
.
Q
EN
Data
Port
EN
D
EN
D
0
1
Schmitt
Trigger
V
V
N
P
SS
DD
I/O pin
RE0
RE1
RE2
RE3
RE4
RE5
RE6
RE7
Pin
(1)
I/O pin
Override
TRIS OVERRIDE
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
TTL
Input
Buffer
(1)
DS39609B-page 115
External Bus
External Bus
External Bus
External Bus
External Bus
External Bus
External Bus
External Bus
Peripheral