Datasheet

PIC16C62X
DS30235J-page 26 2003 Microchip Technology Inc.
FIGURE 5-3: BLOCK DIAGRAM OF RA3 PIN
FIGURE 5-4: BLOCK DIAGRAM OF RA4 PIN
Data
Bus
QD
Q
CK
P
N
WR
PORTA
WR
TRISA
Data Latch
TRIS Latch
RD TRISA
RD PORTA
Analog
V
SS
VDD
RA3 Pin
QD
Q
CK
DQ
EN
To Comparator
Schmitt Trigger
Input Buffer
Input Mode
Comparator Output
Comparator Mode = 110
VDD
VSS
Data
Bus
QD
Q
CK
N
WR
PORTA
WR
TRISA
Data Latch
TRIS Latch
RD TRISA
RD PORTA
V
SS
RA4 Pin
QD
Q
CK
DQ
EN
TMR0 Clock Input
Schmitt Trigger
Input Buffer
Comparator Output
Comparator Mode = 110
VSS