PIC16C782 Microchip Technology Inc., PIC16C782 Datasheet - Page 39

• Manufacturer Part Number: PIC16C782
• Description: 8-bit Cmos Microcontrollers With A/d, D/a, Opamp, Comparators And Psmc
• Manufacturer: Microchip Technology Inc.

FIGURE 3-9:
Data Bus
WR WPUB
RD WPUB
WR PORTB
WR TRISB
RD TRISB
WR ANSEL
RD ANSEL
WR IOCB
RD IOCB
RD PORTB
INT Input
Analog Function Enable
AN4/V
VREN
VROE
2001 Microchip Technology Inc.
R
PORTB Reg.
VREN & VROE
WPUB Reg.
ANSEL Reg.
TRIS Reg.
IOCB Reg.
D
D
CK
D
D
D
CK
CK
CK
CK
BLOCK DIAGRAM OF RB0/INT/AN4/V
0
0
0
1
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Set
RBIF
ANSEL<4>
...
0
0
1
x
From other
RB<7:0> pins
V
Q
R
Output
EN
Preliminary
TRISB<0>
EN
D
1
0
x
x
RBPU
FUNCTION
V
Analog Out
V
Digital Out
P
N
Analog In
Q
Digital In
R
SS
Q
DD
PIN
EN
EN
D
D
V
P
PIC16C781/782
DD
TTL
Weak
Pull-up
PORTB<0> READ
Q1
Q3
Pin
Pin
0
0
V
V
DD
SS
DS41171A-page 37
RB0/INT/AN4/V
R