PIC16F62X
DS80073H-page 6 2000-2012 Microchip Technology Inc.
FIGURE 5-13: BLOCK DIAGRAM OF RB5 PIN
Data Bus
WR PORTB
WR TRISB
RD PORTB
Data Latch
TRIS Latch
RB5 pin
Q
D
CK
Q
D
CK
TTL
Input
Buffer
RD TRISB
RBPU
P
V
DD
Weak
Pull-up
From other
QD
EN
QD
EN
Set RBIF
RB<7:4> pins
RD Port
Q3
Q1
VDD
VSS
