16F1825 datasheet(19/420 Pages) MICROCHIP

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 2010 Microchip Technology Inc.

Preliminary

DS41440A-page 19

PIC16F/LF1825/1829

RA5/CLKIN/OSC1/T1OSI/

SD02(1)/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.

SD02

—

CMOS SPI data output 2.

T1CKI

—

Timer1 clock input.

P2A

—

CMOS PWM output.

CCP2

CMOS Capture/Compare/PWM 2.

RB4/AN10/CPS10/SDA1/SDI1

RB4

TTL

CMOS General purpose I/O.

AN10

—

A/D Channel 10 input.

CPS10

—

Capacitive sensing input 10.

SDA1

I2COD

I2C™ data input/output.

SDI1

CMOS

—

SPI data input.

RB5/AN11/CPS11/RX(1,2)/

DT(1,2)/SDA2/SDI2

RB5

TTL

CMOS General purpose I/O.

AN11

—

A/D Channel 11 input.

CPS11

—

Capacitive sensing input 11.

—

USART asynchronous input.

CMOS USART synchronous data.

SDA2

I2COD

I2C data input/output 2.

SDI2

CMOS

—

SPI data input 2.

RB6/SCL1/SCK1

RB6

TTL

CMOS General purpose I/O.

SCL1

I2COD

I2C™ clock 1.

SCK1

CMOS SPI clock 1.

RB7/TX(1,2)/CK(1,2)/SCL2/SCK2

RB7

TTL

CMOS General purpose I/O.

—

CMOS USART asynchronous transmit.

CMOS USART synchronous clock.

SCL2

I2COD

I2C™ clock 2.

SCK2

CMOS SPI clock 2.

RC0/AN4/CPS4/C2IN+/P1D(1)/

SS2(1,2)

RC0

TTL

CMOS General purpose I/O.

AN4

—

A/D Channel 4 input.

CPS4

—

Capacitive sensing input 4.

C2IN+

—

Comparator C2 positive input.

P1D

—

CMOS PWM output.

SS2

—

Slave Select input 2.

RC1/AN5/CPS5/C12IN1-/P1C(1)/

SD02(1,2)

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.

P1C

—

CMOS PWM output.

SDO2

—

CMOS SPI data output 2.

TABLE 1-3:

PIC16F/LF1829 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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