PIC16C770 Microchip Technology Inc., PIC16C770 Datasheet - Page 41

• Manufacturer Part Number: PIC16C770
• Description: 18/20-pin, 8-bit Cmos Microcontrollers With 10/12-bit A/d
• Manufacturer: Microchip Technology Inc.

TABLE 3-3:
TABLE 3-4:
Address
06h, 106h PORTB
86h, 186h TRISB
81h, 181h OPTION_REG RBPU INTEDG
95h
96h
9Dh
Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTB.
RB6/T1OSO/T1CKI/P1C
2002 Microchip Technology Inc.
Note 1:
RB7/T1OSI/P1D
RB3/CCP1/P1A
RB5/SDO/P1B
RB2/SCK/SCL
RB4/SDI/SDA
RB0/AN4/INT
RB1/AN5/SS
Name
Name
WPUB
IOCB
ANSEL
Bit programmable pull-ups.
PORTB FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
PORTB Data Direction Register
PORTB Weak Pull-up Control
PORTB Interrupt on Change Control
Function
Bit 7
RB7
T1OSO
T1CKI
T1OSI
CCP1
—
SDO
RB0
AN4
RB1
AN5
RB2
SCK
SCL
RB3
RB4
SDA
RB5
RB6
P1C
RB7
P1D
P1A
P1B
SDI
INT
SS
Bit 6
RB6
—
CMOS
Input
XTAL
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
AN
AN
ST
ST
ST
ST
ST
ST
ST
T0CS
ANS5
Bit 5
RB5
Output
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
XTAL
Type
OD
OD
T0SE
ANS4
Bit 4
RB4
Bi-directional I/O
A/D input
Interrupt input
Bi-directional I/O
A/D input
SSP slave select input
Bi-directional I/O
Serial clock I/O for SPI
Serial clock I/O for I
Bi-directional I/O
Capture 1 input/Compare 1 output
PWM P1A output
Bi-directional I/O
Serial data in for SPI
Serial data I/O for I
Bi-directional I/O
Serial data out for SPI
PWM P1B output
Bi-directional I/O
Crystal/Resonator
TMR1 clock input
PWM P1C output
Bi-directional I/O
TMR1 crystal/resonator
PWM P1D output
ANS3
Bit 3
RB3
PSA
PIC16C717/770/771
ANS2
Bit 2
RB2
PS2
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
2
ANS1
2
Bit 1
C
RB1
PS1
C
Description
ANS0
Bit 0
RB0
PS0
xxxx xx11
1111 1111
1111 1111
1111 1111
1111 0000
--11 1111
Value on:
POR,
BOR
DS41120B-page 39
Value on all
uuuu uu11
1111 1111
1111 1111
1111 1111
1111 0000
--11 1111
RESETS
other