Microchip Technology AC244049 数据表

DS41440C-page 16

 2010-2012 Microchip Technology Inc.

RA0/AN0/CPS0/C1IN+/V

REF

-/

DACOUT/ICSPDAT/ICDDAT

RA0

TTL

CMOS General purpose I/O.

AN0

AN

—

A/D Channel 0 input.

CPS0

AN

—

Capacitive sensing input 0.

C1IN+

AN

—

Comparator C1 positive input.

V

REF

-

AN

—

A/D and DAC Negative Voltage Reference input.

DACOUT

—

AN

Digital-to-Analog Converter output.

ICSPDAT

ST

CMOS ICSP™ Data I/O.

ICDDAT

ST

CMOS In-Circuit Data I/O.

RA1/AN1/CPS1/C12IN0-/V

REF

+/

SRI/ICSPCLK/ICDCLK

RA1

TTL

CMOS General purpose I/O.

AN1

AN

—

A/D Channel 1 input.

CPS1

AN

—

Capacitive sensing input 1.

C12IN0-

AN

—

Comparator C1 or C2 negative input.

V

REF

+

AN

—

A/D and DAC Positive Voltage Reference input.

SRI

ST

—

SR Latch input.

ICSPCLK

ST

—

Serial Programming Clock.

ICDCLK

ST

—

In-Circuit Debug Clock.

RA2/AN2/CPS2/T0CKI/INT/
C1OUT/SRQ/CCP3/FLT0

RA2

ST

CMOS General purpose I/O.

AN2

AN

—

A/D Channel 2 input.

CPS2

AN

—

Capacitive sensing input 2.

T0CKI

ST

—

Timer0 clock input.

INT

ST

—

External interrupt.

C1OUT

—

CMOS Comparator C1 output.

SRQ

—

CMOS SR Latch non-inverting output.

CCP3

ST

CMOS Capture/Compare/PWM3.

FLT0

ST

—

ECCP Auto-Shutdown Fault input.

RA3/T1G

/V

PP

/MCLR

RA3

TTL

—

General purpose input.

T1G

ST

—

Timer1 Gate input.

V

PP

HV

—

Programming voltage.

MCLR

ST

—

Master Clear with internal pull-up.

RA4/AN3/CPS3/OSC2/
CLKOUT/T1OSO/CLKR/SS2

/

P2B

/T1G

RA4

TTL

CMOS General purpose I/O.

AN3

AN

—

A/D Channel 3 input.

CPS3

AN

—

Capacitive sensing input 3.

OSC2

—

CMOS Comparator C2 output.

CLKOUT

—

CMOS F

OSC

/4 output.

T1OSO

XTAL

XTAL

Timer1 oscillator connection.

CLKR

—

CMOS Clock Reference output.

SS2

ST

—

Slave Select input 2.

P2B

—

CMOS PWM output.

T1G

ST

—

Timer1 Gate 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 I

2

C™ = Schmitt Trigger input with I

2

C 

HV =  High Voltage

XTAL = Crystal

levels

Note 1: Pin functions can be moved using the APFCON0 or APFCON1 register.

2: Default function location.