PIC16F946-ESLASHMLQTP datasheet(22/330 Pages) MICROCHIP

22 / 330 page

PIC16F913/914/916/917/946

DS41250F-page 20

RC6/TX/CK/SCK/SCL/SEG9

RC6

CMOS General purpose I/O.

—

CMOS USART asynchronous serial transmit.

CMOS USART synchronous serial clock.

SCK

CMOS SPI clock.

SCL

ST(4)

I2C™ clock.

SEG9

—

LCD analog output.

RC7/RX/DT/SDI/SDA/SEG8

RC7

CMOS General purpose I/O.

—

USART asynchronous serial receive.

CMOS USART synchronous serial data.

SDI

CMOS SPI data input.

SDA

ST(4)

I2C™ data.

SEG8

—

LCD analog output.

RD0/COM3(1, 2)

RD0

CMOS General purpose I/O.

COM3

—

LCD analog output.

RD1(2)

RD1

CMOS General purpose I/O.

RD2/CCP2(2)

RD2

CMOS General purpose I/O.

CCP2

CMOS Capture 2 input/Compare 2 output/PWM 2 output.

RD3/SEG16(2)

RD3

CMOS General purpose I/O.

SEG16

—

LCD analog output.

RD4/SEG17(2)

RD4

CMOS General purpose I/O.

SEG17

—

LCD analog output.

RD5/SEG18(2)

RD5

CMOS General purpose I/O.

SEG18

—

LCD analog output.

RD6/SEG19(2)

RD6

CMOS General purpose I/O.

SEG19

—

LCD analog output.

RD7/SEG20(2)

RD7

CMOS General purpose I/O.

SEG20

—

LCD analog output.

RE0/AN5/SEG21(2)

RE0

CMOS General purpose I/O.

AN5

—

Analog input Channel 5.

SEG21

—

LCD analog output.

RE1/AN6/SEG22(2)

RE1

CMOS General purpose I/O.

AN6

—

Analog input Channel 6.

SEG22

—

LCD analog output.

RE2/AN7/SEG23(2)

RE2

CMOS General purpose I/O.

AN7

—

Analog input Channel 7.

SEG23

—

LCD analog output.

RE3/MCLR/VPP

RE3

—

Digital input only.

MCLR

—

Master Clear with internal pull-up.

VPP

—

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

= 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.

Pins available on PIC16F914/917 and PIC16F946 only.

Pins available on PIC16F946 only.

I2C Schmitt trigger inputs have special input levels.

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