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PIC16F946 Datasheet, PDF (10/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology
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PIC16F946
TABLE 1-1: PIC16F946 PINOUT DESCRIPTIONS (CONTINUED)
Name
Function
Input
Type
Output
Type
Description
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 I/O.
SEG14 —
AN LCD analog output.
RB7/ICSPDAT/ICDDAT/SEG13
RB7
TTL CMOS General purpose I/O. Individually controlled interrupt-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.
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
SCL
ST CMOS SPI™ clock.
ST CMOS I2C™ clock.
SEG9
—
AN LCD analog output.
Legend: AN = Analog input or output
TTL = TTL compatible input
HV = High Voltage
CMOS = CMOS compatible input or output D = Direct
ST = Schmitt Trigger input with CMOS levels
XTAL = Crystal
DS41265A-page 8
Preliminary
© 2005 Microchip Technology Inc.
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