PIC16F1946 datasheet(17/448 Pages) MICROCHIP

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Preliminary

DS41414C-page 17

PIC16(L)F1946/1947

RF3/AN8/CPS8/C123IN2-/

SEG21

RF3

TTL

CMOS General purpose I/O.

AN8

—

A/D Channel 8 input.

CPS8

—

Capacitive sensing input 8.

C1IN2-

—

Comparator C1 negative input.

C2IN2-

—

Comparator C2 negative input.

C3IN2-

—

Comparator C3 negative input.

SEG21

—

LCD Analog output.

RF4/AN9/CPS9/C2IN+/SEG22

RF4

TTL

CMOS General purpose I/O.

AN9

—

A/D Channel 9 input.

CPS9

—

Capacitive sensing input 9.

C2IN+

—

Comparator C2 positive input.

SEG22

—

LCD Analog output.

RF5/AN10/CPS10/C12IN1-/

DACOUT/SEG23

RF5

TTL

CMOS General purpose I/O.

AN10

—

A/D Channel 10 input.

CPS10

—

Capacitive sensing input 10.

C1IN1-

—

Comparator C1 negative input.

C2IN1-

—

Comparator C2 negative input.

DACOUT

—

Voltage Reference output.

SEG23

—

LCD Analog output.

RF6/AN11/CPS11/C1IN+/SEG24

RF6

TTL

CMOS General purpose I/O.

AN11

—

A/D Channel 11 input.

CPS11

—

Capacitive sensing input 11.

C1IN+

—

Comparator C1 positive input.

SEG24

—

LCD Analog output.

RF7/AN5/CPS5/C123IN3-/SS1/

SEG25

RF7

TTL

CMOS General purpose I/O.

AN5

—

A/D Channel 5 input.

CPS5

—

Capacitive sensing input 5.

C1IN3-

—

Comparator C1negative input.

C2IN3-

—

Comparator C2 negative input.

C3IN3-

—

Comparator C3 negative input.

SS1

—

Slave Select input.

SEG25

—

LCD Analog output.

RG0/CCP3/P3A/SEG42

RG0

CMOS General purpose I/O.

CCP3

CMOS Capture/Compare/PWM3.

P3A

—

CMOS PWM output.

SEG42

—

LCD Analog output.

RG1/AN15/CPS15/TX2/CK2/

C3OUT/SEG43

RG1

CMOS General purpose I/O.

AN15

—

A/D Channel 15 input.

CPS15

—

Capacitive sensing input 15.

TX2

—

CMOS USART2 asynchronous transmit.

CK2

CMOS USART2 synchronous clock.

C3OUT

—

CMOS Comparator C3 output.

SEG43

—

LCD Analog output.

TABLE 1-2:

PIC16(L)F1946/1947 PINOUT DESCRIPTION (CONTINUED)

Name

Function

Input

Type

Output

Type

Description

Legend:

AN = Analog input or output CMOS= CMOS compatible input or output

= Open Drain

TTL = TTL compatible input

= Schmitt Trigger input with CMOS levels I2C™ = Schmitt Trigger input with I2C

HV = High Voltage

XTAL = Crystal

levels

Note

Pin function is selectable via the APFCON register.

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