PIC17C42 Microchip Technology, PIC17C42 Datasheet - Page 61
PIC17C42
Manufacturer Part Number
PIC17C42
Description
High-Performance 8-Bit CMOS EPROM/ROM Microcontroller
Manufacturer
Microchip Technology
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TABLE 9-7:
TABLE 9-8:
Address
RD0/AD8
RD1/AD9
RD2/AD10
RD3/AD11
RD4/AD12
RD5/AD13
RD6/AD14
RD7/AD15
Legend: TTL = TTL input.
13h, Bank 1
12h, Bank 1
Legend: x = unknown, u = unchanged.
Note 1: Other (non power-up) resets include: external reset through MCLR and the Watchdog Timer Reset.
1996 Microchip Technology Inc.
Name
Name
PORTD
DDRD
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
PORTD FUNCTIONS
REGISTERS/BITS ASSOCIATED WITH PORTD
Bit
Data direction register for PORTD
AD15
RD7/
Bit 7
Buffer Type
AD14
RD6/
Bit 6
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
AD13
RD5/
Bit 5
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.
AD12
Bit 4
RD4/
AD11
RD3/
Bit 3
AD10
RD2/
Bit 2
Function
RD1/
Bit 1
AD9
RD0/
Bit 0
AD8
PIC17C4X
xxxx xxxx
1111 1111
Power-on
Value on
Reset
DS30412C-page 61
other resets
Value on all
uuuu uuuu
1111 1111
(Note1)
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