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PIC17C752-08/P Datasheet(PDF) 67 Page - Microchip Technology

Part # PIC17C752-08/P
Description  High-Performance 8-Bit CMOS EPROM Microcontrollers
PDF  320 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC17C752-08/P Datasheet(HTML) 67 Page - Microchip Technology

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© 1997 Microchip Technology Inc.
Preliminary
DS30264A-page 67
PIC17C75X
TABLE 10-1: PORTA FUNCTIONS
TABLE 10-2: REGISTERS/BITS ASSOCIATED WITH PORTA
Name
Bit0
Buffer
Type
Function
RA0/INT
bit0
ST
Input or external interrupt input.
RA1/T0CKI
bit1
ST
Input or clock input to the TMR0 timer/counter, and/or an external interrupt
input.
RA2/SS/SCL
bit2
ST
Input/Output or slave select input for the SPI or clock input for the I2C bus.
Output is open drain type.
RA3/SDI/SDA
bit3
ST
Input/Output or data input for the SPI or data for the I2C bus.
Output is open drain type.
RA4/RX1/DT1
bit4
ST
Input/Output or USART1 Asynchronous Receive or
USART1 Synchronous Data.
RA5/TX1/CK1
bit5
ST
Input/Output or USART1 Asynchronous Transmit or
USART1 Synchronous Clock.
RBPU
bit7
—
Control bit for PORTB weak pull-ups.
Legend: ST = Schmitt Trigger input.
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)
10h, Bank 0
PORTA
RBPU
—
RA5/
TX1/CK1
RA4/
RX1/DT1
RA3/
SDI/SDA
RA2/
SS/SCL
RA1/T0CKI
RA0/INT
0-xx xxxx
0-uu uuuu
05h, Unbanked
T0STA
INTEDG
T0SE
T0CS
PS3
PS2
PS1
PS0
—
0000 000-
0000 000-
13h, Bank 0
RCSTA1
SPEN
RC9
SREN
CREN
—
FERR
OERR
RC9D
0000 -00x
0000 -00u
15h, Bank 0
TXSTA1
CSRC
TX9
TXEN
SYNC
—
—
TRMT
TX9D
0000 --1x
0000 --1u
Legend: x = unknown, u = unchanged, - = unimplemented reads as '0'. Shaded cells are not used by PORTA.
Note 1:
Other (non power-up) resets include: external reset through MCLR and the Watchdog Timer Reset.



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