PIC16F946 Datasheet, PDF (11/274 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PIC16F946
TABLE 1-1: PIC16F946 PINOUT DESCRIPTIONS (CONTINUED)
Name
Function
Input
Type
Output
Type
Description
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
SDA
ST CMOS SPI™ data input.
ST CMOS I²C™ data.
SEG8
—
AN LCD analog output.
RD0/COM3
RD0
ST CMOS General purpose I/O.
COM3 —
AN LCD analog output.
RD1
RD1
ST CMOS General purpose I/O.
RD2/CCP2
RD2
ST CMOS General purpose I/O.
CCP2 ST CMOS Capture 2 input/Compare 2 output/PWM 2 output.
RD3/SEG16
RD3
ST CMOS General purpose I/O.
SEG16 —
AN LCD analog output.
RD4/SEG17
RD4
ST CMOS General purpose I/O.
SEG17 —
AN LCD analog output.
RD5/SEG18
RD5
ST CMOS General purpose I/O.
SEG18 —
AN LCD analog output.
RD6/SEG19
RD6
ST CMOS General purpose I/O.
SEG19 —
AN LCD analog output.
RD7/SEG20
RD7
ST CMOS General purpose I/O.
SEG20 —
AN LCD analog output.
RE0/AN5/SEG21
RE0
ST CMOS General purpose I/O.
AN5
AN
— Analog input Channel 5.
SEG21 —
AN LCD analog output.
RE1/AN6/SEG22
RE1
ST CMOS General purpose I/O.
AN6
AN
— Analog input Channel 6.
SEG22 —
AN LCD analog output.
RE2/AN7/SEG23
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.
VPP
HV
— Programming voltage.
RE4/SEG24
RE4
ST CMOS General purpose I/O.
SEG24 —
AN LCD analog output.
RE5/SEG25
RE5
ST CMOS General purpose I/O.
SEG25 —
AN LCD analog output.
RE6/SEG26
RE6
ST CMOS General purpose I/O.
SEG26 —
AN LCD analog output.
RE7/SEG27
RE7
ST CMOS General purpose I/O.
SEG27 —
AN LCD analog output.
RF0/SEG32
RF0
ST CMOS General purpose I/O.
SEG32 —
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
© 2005 Microchip Technology Inc.
Preliminary
DS41265A-page 9