PIC32MX1XX_12 Datasheet, PDF(20/328 Page) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

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PIC32MX1XX_12 Datasheet, PDF (20/328 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

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PIC32MX1XX/2XX

TABLE 1-1:

PINOUT I/O DESCRIPTIONS

Pin Number(1)

Pin Name 28-pin

QFN

28-pin

SSOP/

SPDIP/

SOIC

36-pin

VTLA

44-pin

QFN/

TQFP/

VTLA

Pin

Type

Buffer

Type

Description

AN0

27

2

33

19

I

Analog Analog input channels.

AN1

28

3

34

20

I

Analog

AN2

1

4

35

21

I

Analog

AN3

2

5

36

22

I

Analog

AN4

3

6

1

23

I

Analog

AN5

4

7

2

24

I

Analog

AN6

â

â

3

25

I

Analog

AN7

â

â

4

26

I

Analog

AN8

â

â

â

27

I

Analog

AN9

23

26

29

15

I

Analog

AN10

22

25

28

14

I

Analog

AN11

AN12

21

20(2)

24

23(2)

27

26(2)

11(3)

11

10(2)

36(3)

I

Analog

I

Analog

CLKI

6

9

7

30

I ST/CMOS External clock source input. Always

associated with OSC1 pin function.

CLKO

7

10

8

31

O

â Oscillator crystal output. Connects to

crystal or resonator in Crystal Oscillator

mode. Optionally functions as CLKO in

RC and EC modes. Always associated

with OSC2 pin function.

OSC1

6

9

7

30

I ST/CMOS Oscillator crystal input. ST buffer when

configured in RC mode; CMOS

otherwise.

OSC2

7

10

8

31

I/O

â Oscillator crystal output. Connects to

crystal or resonator in Crystal Oscillator

mode. Optionally functions as CLKO in

RC and EC modes.

SOSCI

8

11

9

33

I ST/CMOS 32.768 kHz low-power oscillator crystal

input; CMOS otherwise.

SOSCO

9

12

10

34

O

â 32.768 kHz low-power oscillator crystal

output.

REFCLKI PPS

PPS

PPS

PPS

I

ST Reference Input Clock

REFCLKO PPS

PPS

PPS

PPS

O

â Reference Output Clock

IC1

PPS

PPS

PPS

PPS

I

ST Capture Inputs 1-5

IC2

PPS

PPS

PPS

PPS

I

ST

IC3

PPS

PPS

PPS

PPS

I

ST

IC4

PPS

PPS

PPS

PPS

I

ST

IC5

PPS

PPS

PPS

PPS

I

ST

Legend:

Note 1:

2:

3:

CMOS = CMOS compatible input or output

ST = Schmitt Trigger input with CMOS levels

TTL = TTL input buffer

Analog = Analog input

O = Output

PPS = Peripheral Pin Select

P = Power

I = Input

â = N/A

Pin numbers are provided for reference only. See the âPin Diagramsâ section for device pin availability.

Pin number for PIC32MX1XX devices only.

Pin number for PIC32MX2XX devices only.

DS61168E-page 20

Preliminary

ï£ 2011-2012 Microchip Technology Inc.

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