PIC18F6620 Microchip, PIC18F6620 Datasheet - Page 106

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

PIC18F6520/8520/6620/8620/6720/8720
FIGURE 10-2:
FIGURE 10-4:
DS39609B-page 104
RD LATA
WR LATA
or
PORTA
WR TRISA
RD TRISA
RD PORTA
Data
Bus
Note 1:
To A/D Converter and LVD Modules
Note 1:
I/O pins have protection diodes to V
TRIS Latch
D
Data Latch
D
I/O pins have protection diodes to V
CK
CK
BLOCK DIAGRAM OF
RA3:RA0 AND RA5 PINS
BLOCK DIAGRAM OF RA6 PIN (WHEN ENABLED AS I/O)
Q
Q
Q
Q
ECRA6 or
Data Bus
RD LATA
RD
RD PORTA
WR LATA
ECRA6 or RCRA6 Enable
WR
TRISA
TRISA
Q
or PORTA
RCRA6 Enable
Analog
Input
Mode
EN
D
DD
V
V
N
P
SS
DD
and V
DD
TTL
Input
Buffer
I/O pin
SS
and V
.
(1)
SS
TRIS Latch
Data Latch
D
D
.
CK
CK
Q
Q
Q
Q
FIGURE 10-3:
Note 1:
RD LATA
Data
Bus
RD PORTA
WR LATA
or
PORTA
WR TRISA
RD TRISA
TMR0 Clock Input
Q
I/O pins have protection diodes to V
EN
D
TRIS Latch
V
Data Latch
V
P
N
D
D
SS
CK
CK
DD
I/O pin
BLOCK DIAGRAM OF
RA4/T0CKI PIN
Q
Q
TTL
Input
Buffer
Q
Q
 2004 Microchip Technology Inc.
(1)
Q
EN
EN
Schmitt
Trigger
Input
Buffer
D
DD
V
N
SS
and V
SS
I/O pin
.
(1)