
PIC16F62X
DS40300C-page 40
Preliminary
2003 Microchip Technology Inc.
FIGURE 5-15:
BLOCK DIAGRAM OF THE RB7/T1OSI PIN
Data Latch
TRIS Latch
RD TRISB
Q
D
Q
CK
Q
D
Q
CK
RD PORTB
WR PORTB
WR TRISB
T10SCEN
Data Bus
RB7/T1OSI
To RB6
RBPU
V
DD
weak pull-up
P
pin
TTL
input
buffer
From other
QD
EN
QD
EN
Set RBIF
RB<7:4> pins
Serial programming input
Schmitt
Trigger
TMR1 oscillator
V
DD
V
SS