PIC18F2331 MICROCHIP [Microchip Technology], PIC18F2331 Datasheet - Page 112

• Manufacturer Part Number: PIC18F2331
• Description: 28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18F2331/2431/4331/4431
FIGURE 10-6:
FIGURE 10-7:
DS39616B-page 110
Data
Bus
WR LATA
or
PORTA
WR TRISA
WR LATA
or
PORTA
Data
Bus
RD PORTA
RD PORTA
To A/D Converter/LVD Module Input
ECRA6 or RCRA6
Enable
RD LATA
TRIS Latch
Data Latch
TRIS Latch
Data Latch
D
D
RD TRISA
D
D
CK
CK
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA5
Q
Q
BLOCK DIAGRAM OF RA6
Q
Q
RD TRISA
Q
ECRA6 or
RCRA6
Enable
EN
Analog
Input
Mode or
LVDIN
Enabled
Q
D
V
V
P
N
DD
SS
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
TTL
Input
Buffer
I/O
Pin
I/O
Pin
Preliminary
FIGURE 10-8:
WR LATA
or
PORTA
Data
Bus
RD PORTA
INTOSC Enable
TRIS Latch
Data Latch
RD TRISA
D
D
CK
CK
RD LATA
Q
Q
Q
Q
BLOCK DIAGRAM OF RA7
 2003 Microchip Technology Inc.
INTOSC
w/RA7 Enable
Q
EN
D
V
V
P
N
SS
DD
O
SCILLATOR
T
O
TTL
Input
Buffer
I/O
Pin