PIC16C64-04/PQ Microchip Technology, PIC16C64-04/PQ Datasheet - Page 52

• Manufacturer Part Number: PIC16C64-04/PQ
• Description: 8-Bit CMOS Microcontrollers
• Manufacturer: Microchip Technology

PIC16C6X
TABLE 5-1:
TABLE 5-2:
DS30234D-page 52
Name
RA0
RA1
RA2
RA3
RA4/T0CKI
RA5/SS
Legend: TTL = TTL input, ST = Schmitt Trigger input
Note 1: The PIC16C61 does not have PORTA<5> or TRISA<5>, read as ‘0’.
Address
05h
85h
Legend: x = unknown, u = unchanged, - = unimplemented locations read as '0'. Shaded cells are not used by PORTA.
Note 1: PORTA<5> and TRISA<5> are not implemented on the PIC16C61, read as '0'.
(1)
Name
PORTA
TRISA
PORTA FUNCTIONS
REGISTERS/BITS ASSOCIATED WITH PORTA
Bit#
bit0
bit1
bit2
bit3
bit4
bit5
Bit 7 Bit 6
—
—
—
—
Buffer Type
PORTA Data Direction Register
TTL
TTL
TTL
TTL
TTL
RA5
ST
Bit 5
(1)
Bit 4
RA4
Input/output
Input/output
Input/output
Input/output
Output is open drain type.
Input/output or slave select input for synchronous serial port.
Function
Input/output or external clock input for Timer0.
Bit 3
RA3
(1)
Bit 2
RA2
Bit 1
RA1
Bit 0
RA0
1997 Microchip Technology Inc.
--xx xxxx
--11 1111
Value on:
POR,
BOR
other resets
Value on all
--uu uuuu
--11 1111