Datasheet
© 2007 Microchip Technology Inc. DS41250F-page 19
PIC16F913/914/916/917/946
RB1/SEG1 RB1 TTL CMOS General purpose I/O. Individually enabled pull-up.
SEG1 — AN LCD analog output.
RB2/SEG2 RB2 TTL CMOS General purpose I/O. Individually enabled pull-up.
SEG2 — AN LCD analog output.
RB3/SEG3 RB3 TTL CMOS General purpose I/O. Individually enabled pull-up.
SEG3 — AN LCD analog output.
RB4/COM0 RB4 TTL CMOS General purpose I/O. Individually controlled
interrupt-on-change. Individually enabled pull-up.
COM0 — AN LCD analog output.
RB5/COM1 RB5 TTL CMOS General purpose I/O. Individually controlled
interrupt-on-change. Individually enabled pull-up.
COM1 — AN LCD analog output.
RB6/ICSPCLK/ICDCK/SEG14 RB6 TTL CMOS General purpose I/O. Individually controlled
interrupt-on-change. Individually enabled pull-up.
ICSPCLK ST — ICSP™ clock.
ICDCK ST — ICD clock.
SEG14 — AN LCD analog output.
RB7/ICSPDAT/ICDDAT/SEG13 RB7 TTL CMOS General purpose I/O. Individually controlled inter-
rupt-on-change. Individually enabled pull-up.
ICSPDAT ST CMOS ICSP Data I/O.
ICDDAT ST CMOS ICD Data I/O.
SEG13 — AN LCD analog output.
RC0/VLCD1 RC0 ST CMOS General purpose I/O.
VLCD1 AN — LCD analog input.
RC1/VLCD2 RC1 ST CMOS General purpose I/O.
VLCD2 AN — LCD analog input.
RC2/VLCD3 RC2 ST CMOS General purpose I/O.
VLCD3 AN — LCD analog input.
RC3/SEG6 RC3 ST CMOS General purpose I/O.
SEG6 — AN LCD analog output.
RC4/T1G
/SDO/SEG11 RC4 ST CMOS General purpose I/O.
T1G ST — Timer1 gate input.
SDO — CMOS Serial data output.
SEG11 — AN LCD analog output.
RC5/T1CKI/CCP1/SEG10 RC5 ST CMOS General purpose I/O.
T1CKI ST — Timer1 clock input.
CCP1 ST CMOS Capture 1 input/Compare 1 output/PWM 1 output.
SEG10 — AN LCD analog output.
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.