PIC16F913/914/916/917/946
TABLE 1-1:
PIC16F91X/946 PINOUT DESCRIPTIONS (CONTINUED)
Input Output
Name
Function
Description
Type Type
RC6/TX/CK/SCK/SCL/SEG9
RC6
TX
ST
—
CMOS General purpose I/O.
CMOS USART asynchronous serial transmit.
CMOS USART synchronous serial clock.
CK
ST
ST
SCK
CMOS SPI clock.
(4)
2
SCL
ST
OD
AN
I C™ clock.
SEG9
RC7
—
ST
ST
ST
ST
LCD analog output.
RC7/RX/DT/SDI/SDA/SEG8
CMOS General purpose I/O.
RX
—
USART asynchronous serial receive.
DT
CMOS USART synchronous serial data.
SDI
CMOS SPI data input.
(4)
2
SDA
ST
OD
AN
I C™ data.
SEG8
RD0
—
ST
—
LCD analog output.
(1, 2)
RD0/COM3
CMOS General purpose I/O.
AN LCD analog output.
COM3
RD1
(2)
RD1
ST
ST
ST
ST
—
CMOS General purpose I/O.
(2)
RD2/CCP2
RD2
CMOS General purpose I/O.
CCP2
RD3
CMOS Capture 2 input/Compare 2 output/PWM 2 output.
CMOS General purpose I/O.
(2)
RD3/SEG16
SEG16
RD4
AN
CMOS General purpose I/O.
AN LCD analog output.
CMOS General purpose I/O.
AN LCD analog output.
CMOS General purpose I/O.
AN LCD analog output.
CMOS General purpose I/O.
AN LCD analog output.
CMOS General purpose I/O.
LCD analog output.
(2)
RD4/SEG17
ST
—
SEG17
RD5
(2)
RD5/SEG18
ST
—
SEG18
RD6
(2)
RD6/SEG19
ST
—
SEG19
RD7
(2)
RD7/SEG20
ST
—
SEG20
RE0
(2)
RE0/AN5/SEG21
ST
AN
—
AN5
—
Analog input Channel 5.
LCD analog output.
SEG21
RE1
AN
(2)
RE1/AN6/SEG22
ST
AN
—
CMOS General purpose I/O.
AN6
—
Analog input Channel 6.
LCD analog output.
SEG22
RE2
AN
(2)
RE2/AN7/SEG23
ST
AN
—
CMOS General purpose I/O.
AN7
—
AN
—
Analog input Channel 7.
LCD analog output.
SEG23
RE3
RE3/MCLR/VPP
ST
ST
HV
Digital input only.
MCLR
VPP
—
Master Clear with internal pull-up.
Programming voltage.
—
Legend: AN = Analog input or output
TTL = TTL compatible input
HV = High Voltage
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels P
XTAL = Crystal
OD = Open Drain
=
Power
Note 1: COM3 is available on RA3 for the PIC16F913/916 and on RD0 for the PIC16F914/917 and PIC16F946.
2: Pins available on PIC16F914/917 and PIC16F946 only.
3: Pins available on PIC16F946 only.
2
4: I C Schmitt trigger inputs have special input levels.
DS41250F-page 20
© 2007 Microchip Technology Inc.
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