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