2007 Microchip Technology Inc.
DS21993C-page 9
PIC16CR7X
PORTC is a bidirectional I/O port.
RC0/T1OSO/T1CKI
RC0
T1OSO
T1CKI
11
8
I/O
O
I
ST
Digital I/O.
Timer1 oscillator output.
Timer1 external clock input.
RC1/T1OSI/CCP2
RC1
T1OSI
CCP2
12
9
I/O
I
I/O
ST
Digital I/O.
Timer1 oscillator input.
Capture2 input, Compare2 output, PWM2 output.
RC2/CCP1
RC2
CCP1
13
10
I/O
ST
Digital I/O.
Capture1 input/Compare1 output/PWM1 output.
RC3/SCK/SCL
RC3
SCK
SCL
14
11
I/O
ST
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I2C mode.
RC4/SDI/SDA
RC4
SDI
SDA
15
12
I/O
I
I/O
ST
Digital I/O.
SPI data in.
I2C data I/O.
RC5/SDO
RC5
SDO
16
13
I/O
O
ST
Digital I/O.
SPI data out.
RC6/TX/CK
RC6
TX
CK
17
14
I/O
O
I/O
ST
Digital I/O.
USART asynchronous transmit.
USART 1 synchronous clock.
RC7/RX/DT
RC7
RX
DT
18
15
I/O
I
I/O
ST
Digital I/O.
USART asynchronous receive.
USART synchronous data.
VSS
8, 19
5, 16
P
Ground reference for logic and I/O pins.
VDD
20
17
P
Positive supply for logic and I/O pins.
TABLE 1-2:
PIC16CR73 AND PIC16CR76 PINOUT DESCRIPTION (CONTINUED)
Pin Name
PDIP
SSOP
SOIC
Pin#
MLF
Pin#
I/O/P
Type
Buffer
Type
Description
Legend:
I = input
O = output
I/O = input/output
P = power
— = Not used
TTL = TTL input
ST = Schmitt Trigger input
Note
1:
This buffer is a Schmitt Trigger input when configured as the external interrupt.
2:
This buffer is a Schmitt Trigger input when used in Serial Verify mode.
3:
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
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