PIC17C75X Datasheet, PDF (75/320 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM Microcontrollers

PIC17C75X
TABLE 10-7: PORTD FUNCTIONS
Name
Bit
Buffer Type
RD0/AD8
bit0
TTL
RD1/AD9
bit1
TTL
RD2/AD10
bit2
TTL
RD3/AD11
bit3
TTL
RD4/AD12
bit4
TTL
RD5/AD13
bit5
TTL
RD6/AD14
bit6
TTL
RD7/AD15
bit7
TTL
Legend: TTL = TTL input.
Function
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
Input/Output or system bus address/data pin.
TABLE 10-8: REGISTERS/BITS ASSOCIATED WITH PORTD
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR,
BOR
Value on all
other resets
(Note1)
13h, Bank 1 PORTD
RD7/
AD15
RD6/
AD14
RD5/
AD13
RD4/
AD12
RD3/
AD11
RD2/
AD10
RD1/
AD9
RD0/
AD8
xxxx xxxx
12h, Bank 1 DDRD Data direction register for PORTD
1111 1111
Legend: x = unknown, u = unchanged.
Note 1: Other (non power-up) resets include: external reset through MCLR and the Watchdog Timer Reset.
uuuu uuuu
1111 1111
© 1997 Microchip Technology Inc.
Preliminary
DS30264A-page 75