PIC18C242 MICROCHIP [Microchip Technology], PIC18C242 Datasheet - Page 81

• Manufacturer Part Number: PIC18C242
• Description: High-Performance Microcontrollers with 10-Bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 8-6:
7/99 Microchip Technology Inc.
Note 1:
2:
3:
CCP Output
CCP2 input
BLOCK DIAGRAM OF RB3
I/O pin has diode protection to V
To enable weak pull-ups, set the appropriate DDR bit(s) and clear the RBPU bit (INTCON2<7>).
The CCP2 input/output is multiplexed with RB3 if the CCP2MX bit is enabled (=’0’) in the configuration register.
RD PORTB
Enable
CCP Output
WR TRISB
Data Bus
WR LATB or
WR PORTB
RBPU
(2)
CCP2MX
(3)
(3)
(3)
Schmitt Trigger
Buffer
RD TRISB
RD PORTB
RD LATB
Data Latch
TRIS Latch
D
D
CK
CK
DD
Q
Q
and V
CCP2MX = 0
Preliminary
SS
Q
.
1
0
EN
D
V
V
N
P
SS
DD
TTL
Input
Buffer
V
P
DD
PIC18CXX2
weak
pull-up
I/O
Pin
(1)
DS39026B-page 81