PIC16C923-04I/CL Microchip Technology, PIC16C923-04I/CL Datasheet - Page 34

• Manufacturer Part Number: PIC16C923-04I/CL
• Description: 8-Bit CMOS Microcontroller with LCD Driver
• Manufacturer: Microchip Technology

PIC16C9XX
TABLE 5-3: PORTB FUNCTIONS
TABLE 5-4: SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
DS30444E - page 34
Name
RB0/INT
Address
06h, 106h
86h, 186h
81h, 181h
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Legend: TTL = TTL input, ST = Schmitt Trigger input
Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTB.
Name
PORTB
TRISB
OPTION
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
PORTB Data Direction Control Register
RBPU
Bit 7
RB7
Buffer
TTL/ST
TTL/ST
TTL/ST
TTL
TTL
TTL
TTL
TTL
INTEDG
Bit 6
RB6
T0CS
Bit 5
RB5
Function
Input/output pin or external interrupt input. Internal software
programmable weak pull-up. This buffer is a Schmitt Trigger input when
configured as the external interrupt.
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. This buffer is a Schmitt Trigger
input when used in serial programming mode.
Input/output pin (with interrupt on change). Internal software programmable
weak pull-up. Serial programming data. This buffer is a Schmitt Trigger input
when used in serial programming mode.
T0SE
Bit 4
RB4
Bit 3
PSA
RB3
Bit 2
RB2
PS2
Bit 1
RB1
PS1
Bit 0
RB0
PS0
1997 Microchip Technology Inc.
xxxx xxxx
1111 1111
1111 1111
Power-on
Value on
Reset
other resets
Value on all
uuuu uuuu
1111 1111
1111 1111