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PIC16F1946 Datasheet, PDF (15/440 Pages) Microchip Technology – 64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
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PIC16F/LF1946/47
TABLE 1-2: PIC16F/LF1946/47 PINOUT DESCRIPTION (CONTINUED)
Name
Function
Input Output
Type Type
Description
RC5/SDO1/SEG12
RC5
ST CMOS General purpose I/O.
SDO1
— CMOS SPI data output.
SEG12
—
AN LCD Analog output.
RC6/TX1/CK1/SEG27
RC6
ST CMOS General purpose I/O.
TX1
— CMOS USART1 asynchronous transmit.
CK1
ST CMOS USART1 synchronous clock.
SEG27
—
AN LCD Analog output.
RC7/RX1/DT1/SEG28
RC7
ST CMOS General purpose I/O.
RX
ST
— USART1 asynchronous input.
DT1
ST CMOS USART1 synchronous data.
RD0/P2D(1)/SEG0
SEG28
RD0
—
AN LCD Analog output.
ST CMOS General purpose I/O.
P2D
— CMOS PWM output.
RD1/P2C(1)/SEG1
SEG0
RD1
—
AN LCD Analog output.
ST CMOS General purpose I/O.
P2C
— CMOS PWM output.
RD2/P2B(1)/SEG2
SEG1
RD2
—
AN LCD Analog output.
ST CMOS General purpose I/O.
P2B
— CMOS PWM output.
RD3/P3C(1)/SEG3
SEG2
RD3
—
AN LCD Analog output.
ST CMOS General purpose I/O.
P3C
— CMOS PWM output.
RD4/SDO2/P3B(1)/SEG4
SEG3
RD4
—
AN LCD analog output.
ST CMOS General purpose I/O.
SDO2
— CMOS SPI data output.
P3B
— CMOS PWM output.
RD5/SDI2/SDA2/P1C(1)/SEG5
SEG4
RD5
—
AN LCD analog output.
ST CMOS General purpose I/O.
SDI2
ST
— SPI data input.
SDA2
I2C
OD I2C™ data input/output.
P1C
— CMOS PWM output.
RD6/SCK2/SCL2/P1B(1)/SEG6
SEG5
RD6
—
AN LCD analog output.
ST CMOS General purpose I/O.
SCK2
SCL2
ST CMOS SPI clock.
I2C
OD I2C™ clock.
P1B
— CMOS PWM output.
SEG6
—
AN LCD analog output.
RD7/SS2/SEG7
RD7
ST CMOS General purpose I/O.
SS2
ST
— Slave Select input.
RE0/P2D(1)/VLCD1
SEG7
RE0
—
AN LCD analog output.
ST CMOS General purpose I/O.
P2D
— CMOS PWM output.
VLCD1 AN
— LCD analog input.
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 I2C™ = Schmitt Trigger input with I2C
HV = High Voltage
XTAL = Crystal
levels
Note 1: Pin function is selectable via the APFCON register.
 2010 Microchip Technology Inc.
Preliminary
DS41414A-page 13
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