16F1825 datasheet(16/420 Pages) MICROCHIP

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PIC16F/LF1825/1829

DS41440A-page 16

Preliminary

 2010 Microchip Technology Inc.

RA4/AN3/CPS3/OSC2/

CLKOUT/T1OSO/CLKR/

SDO(1)/P2B(1)/T1G(1,2)

RA4

TTL

CMOS General purpose I/O.

AN3

—

A/D Channel 3 input.

CPS3

—

Capacitive sensing input 3.

OSC2

—

CMOS Comparator C2 output.

CLKOUT

—

CMOS FOSC/4 output.

T1OSO

XTAL

Timer1 oscillator connection.

CLKR

—

CMOS Clock Reference output.

SDO

—

CMOS SPI data output.

P2B

—

CMOS PWM output.

T1G

—

Timer1 Gate input.

RA5/CLKIN/OSC1/T1OSI/

T1CKI/P2A(1)/CCP2(1)

RA5

TTL

CMOS General purpose I/O.

CLKIN

CMOS

—

External clock input (EC mode).

OSC1

XTAL

—

Crystal/Resonator (LP, XT, HS modes).

T1OSI

XTAL

Timer1 oscillator connection.

T1CKI

—

Timer1 clock input.

P2A

—

CMOS PWM output.

CCP2

CMOS Capture/Compare/PWM 2.

RC0/AN4/CPS4/C2IN+/SCL/

SCK/P1D(1)

RC0

TTL

CMOS General purpose I/O.

AN4

—

A/D Channel 4 input.

CPS4

—

Capacitive sensing input 4.

C2IN+

—

Comparator C2 positive input.

SCL

I2COD

I2C™ clock.

SCK

CMOS SPI clock.

P1D

—

CMOS PWM output.

RC1/AN5/CPS5/C12IN1-/SDA/

SDI/P1C(1)/CCP4

RC1

TTL

CMOS General purpose I/O.

AN5

—

A/D Channel 5 input.

CPS5

—

Capacitive sensing input 5.

C12IN1-

—

Comparator C1 or C2 negative input.

SDA

I2COD

I2C data input/output.

SDI

CMOS

—

SPI data input.

P1C

—

CMOS PWM output.

CCP4

—

Capacitive sensing input 4.

RC2/AN6/CPS6/C12IN2-/

P1D(1,2)/P2B(1,2)/SDO(1,2)/

MDCIN1

RC2

TTL

CMOS General purpose I/O.

AN6

—

A/D Channel 6 input.

CPS6

—

Capacitive sensing input 6.

C12IN2-

—

Comparator C1 or C2 negative input.

P1D

—

CMOS PWM output.

P2B

—

CMOS PWM output.

SDO

—

CMOS SPI data output.

MDCIN1

—

Modulator Carrier Input 1.

TABLE 1-2:

PIC16F/LF1825 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 1: Pin functions can be moved using the APFCON0 or APFCON1 register.

2: Default function location.

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