PIC16C63A Microchip Technology, PIC16C63A Datasheet - Page 28

• Manufacturer Part Number: PIC16C63A
• Description: 28/40-Pin 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

PIC16C63A/65B/73B/74B
TABLE 3-3:
TABLE 3-4:
DS30605A-page 28
Name
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
Address
06h
86h
81h
Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTB.
2: This buffer is a Schmitt Trigger input when used in serial programming mode.
Name
PORTB
TRISB
OPTION_
REG
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
PORTB FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
PORTB Data Direction Register
RBPU
Bit 7
RB7
TTL/ST
TTL/ST
TTL/ST
Buffer
TTL
TTL
TTL
TTL
TTL
INTEDG
(1)
(2)
(2)
Bit 6
RB6
Function
Input/output pin or external interrupt input. Internal software
programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin (with interrupt on change). Internal software programmable
weak pull-up.
Input/output pin (with interrupt on change). Internal software programmable
weak pull-up.
Input/output pin (with interrupt on change). Internal software programmable
weak pull-up. Serial programming clock.
Input/output pin (with interrupt on change). Internal software programmable
weak pull-up. Serial programming data.
T0CS
Bit 5
RB5
T0SE
Bit 4
RB4
Bit 3
PSA
RB3
Bit 2
RB2
PS2
Bit 1
RB1
PS1
Bit 0
RB0
PS0
xxxx xxxx
1111 1111
1111 1111
1998 Microchip Technology Inc.
Value on
POR,
BOR
other resets
Value on all
uuuu uuuu
1111 1111
1111 1111