Datasheet

PIC16C712/716
DS41106C-page 22  1999-2013 Microchip Technology Inc.
FIGURE 3-1: BLOCK DIAGRAM OF RA3:RA0
FIGURE 3-2: BLOCK DIAGRAM OF RA4/T0CKI PIN
DATA
BUS
QD
Q
CK
QD
Q
CK
QD
EN
P
N
WR
PORT
WR
TRIS
Data Latch
TRIS Latch
RD TRIS
RD PORT
V
SS
VDD
I/O pin
Analog
input
mode
TTL
Input
Buffer
To A/D Converter
VSS
VDD
DATA
BUS
WR
PORT
WR
TRIS
RD PORT
Data Latch
TRIS Latch
RD TRIS
Schmitt
Trigger
Input
Buffer
N
V
SS
I/O Pin
TMR0 Clock Input
QD
Q
CK
QD
Q
CK
EN
QD
EN
VSS