MA300013【PDF 65/92 页】MODULE DSPIC30F SAMPLE 80QFP

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dsPIC30F

APPENDIX A:

DEVICE I/O PINOUTS

AND FUNCTIONS

FOR GENERAL

PURPOSE AND

SENSOR FAMILY

Table A-1 provides a brief description of device I/O

pinouts and functions that can be multiplexed to a port

pin. Multiple functions may exist on one port pin. When

multiplexing occurs, the peripheral module’s functional

requirements may force an override of the data

direction of the port pin.

TABLE A-1:

PINOUT I/O DESCRIPTIONS

Pin Name

AN0-AN15

Pin

Type

I

Input Buffer

Type

Analog

Analog input channels.

Description

AN0 and AN1 are also used for device programming data and clock

inputs, respectively.

AV DD

AV SS

CLKI

P

P

I

P

P

ST/CMOS

Positive supply for Analog module.

Ground reference for Analog module.

External clock source input. Always associated with OSC1 pin

function.

CLKO

O

—

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.

CN0-CN23

I

ST

Input change notification inputs. Can be software programmed for

internal weak pull-ups on all inputs.

COFS

CSCK

CSDI

CSDO

C1RX

C1TX

C2RX

C2TX

EMUD

EMUC

EMUD1

EMUC1

EMUD2

EMUC2

EMUD3

EMUC3

IC1-IC8

INT0

INT1

INT2

INT3

INT4

LVDIN

MCLR

I/O

I/O

I

O

I

O

I

O

I/O

I

I/O

I

I/O

I

I/O

I

I

I

I

I

I

I

I

I/P

ST

ST

ST

—

ST

—

ST

—

ST

ST

ST

ST

ST

ST

ST

ST

ST

ST

ST

ST

ST

ST

Analog

ST

Data Converter Interface frame synchronization pin.

Data Converter Interface serial clock input/output pin.

Data Converter Interface serial data input pin.

Data Converter Interface serial data output pin.

CAN1 bus receive pin.

CAN1 bus transmit pin.

CAN2 bus receive pin.

CAN2 bus transmit pin.

Primary data I/O pin for ICD Communication Channel.

Primary clock input pin for ICD Communication Channel.

Alternate 1 data I/O pin for ICD Communication Channel.

Alternate 1 clock input pin for ICD Communication Channel.

Alternate 2 data I/O pin for ICD Communication Channel.

Alternate 2 clock input pin for ICD Communication Channel.

Alternate 3 data I/O pin for ICD Communication Channel.

Alternate 3 clock input pin for ICD Communication Channel.

Capture inputs 1 through 8.

External interrupt 0.

External interrupt 1.

External interrupt 2.

External interrupt 3.

External interrupt 4.

Low Voltage Detect input.

Master Clear (Reset) input or programming voltage input. This pin is

an active low Reset to the device.

OCFA

OCFB

OC1-OC8

OSC1

I

I

O

I

ST

ST

—

ST/CMOS

Compare Fault A input (for Compare channels 1, 2, 3 and 4).

Compare Fault B input (for Compare channels 5, 6, 7 and 8).

Compare outputs 1 through 8.

Oscillator crystal input. ST buffer when configured in RC mode;

CMOS otherwise.

OSC2

I/O

—

Oscillator crystal output. Connects to crystal or resonator in Crystal

Oscillator mode. Optionally functions as CLKO in RC and EC modes.

Legend:

CMOS = CMOS compatible input or output Analog = Analog input

ST = Schmitt Trigger input with CMOS levels O = Output I = Input P = Power

? 2005 Microchip Technology Inc.

DS70043F-page 63

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