PIC18F2331 MICROCHIP [Microchip Technology], PIC18F2331 Datasheet - Page 117

• 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]

FIGURE 10-11:
 2003 Microchip Technology Inc.
WR PORT
WR TRIS
Data Bus
PORT/PWM Select
PWM4 Data
Set RBIF
BLOCK DIAGRAM OF RB5
From other
RB7:RB4 pins
RD PORT
Data Latch
TRIS Latch
D
CK
D
CK
LVP Configuration Bit
1 = Low V Prog Enable
0 = only HV Prog
RD TRIS
Q
Q
Q
0
1
Enable ICSP
PIC18F2331/2431/4331/4431
Preliminary
Q
Q
EN
EN
D
D
V
V
N
P
SS
DD
TTL
Input
Buffer
RBPU
RD Port
Q3
Q1
V
P
DD
Weak
Pull-up
Schmitt
Trigger
DS39616B-page 115
RB5/PGM