Datasheet

 2000 Microchip Technology Inc. Preliminary DS40197B-page 21
PIC16HV540
FIGURE 5-3: BLOCK DIAGRAM OF PORTB<4:6> PINS
FIGURE 5-4: BLOCK DIAGRAM OF PORTB<7> PIN
DATA
BUS
QD
Q
CK
QD
Q
CK
P
N
WR
PORTB
Data
TRIS
RD PORTB
V
SS
VDD
RB4-RB6
pins
W
REG
Latch
Latch
TRIS
PORTB
VDD
Step-up
Circuit
VDD
Step-down
Circuit
V
SS
DATA
BUS
QD
Q
CK
QD
Q
CK
P
N
WR
PORTB
Data
TRIS
RD PORTB
V
SS
VDD
RB7 pin
W
REG
Latch
Latch
TRIS
PORTB
VDD
Step-up
Circuit
VDD
Step-down
Circuit
WAKE-UP ON
PIN CHANGE
V
SS
P
VDD