DSPIC30F datasheet(21/248 Pages) MICROCHIP

21 / 248 page

 2004 Microchip Technology Inc.

Preliminary

DS70083G-page 19

dsPIC30F

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

pinouts and the functions that may 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 1-1:

PINOUT I/O DESCRIPTIONS

Pin Name

Type

Buffer

Type

Description

AN0-AN15

Analog

Analog input channels.

AN0 and AN1 are also used for device programming data and

clock inputs, respectively.

Positive supply for analog module.

Ground reference for analog module.

CLKI

CLKO

ST/CMOS

—

External clock source input. Always associated with OSC1 pin

function.

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

Input change notification inputs.

Can be software programmed for internal weak pull-ups on all

inputs.

COFS

CSCK

CSDI

CSDO

I/O

—

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.

C1RX

C1TX

C2RX

C2TX

—

CAN1 bus receive pin.

CAN1 bus transmit pin.

CAN2 bus receive pin.

CAN2 bus transmit pin

EMUD

EMUC

EMUD1

EMUC1

EMUD2

EMUC2

EMUD3

EMUC3

I/O

ICD Primary Communication Channel data input/output pin.

ICD Primary Communication Channel clock input/output pin.

ICD Secondary Communication Channel data

input/output pin.

ICD Secondary Communication Channel clock input/output pin.

ICD Tertiary Communication Channel data input/output pin.

ICD Tertiary Communication Channel clock input/output pin.

ICD Quaternary Communication Channel data

input/output pin.

ICD Quaternary Communication Channel clock input/output pin.

IC1-IC8

Capture inputs 1 through 8.

INT0

INT1

INT2

INT3

INT4

External interrupt 0.

External interrupt 1.

External interrupt 2.

External interrupt 3.

External interrupt 4.

LVDIN

Analog

Low Voltage Detect Reference Voltage input pin.

MCLR

I/P

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

pin is an active low Reset to the device.

OCFA

OCFB

OC1-OC8

—

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.

Legend:

CMOS = CMOS compatible input or output

Analog = Analog input

= Schmitt Trigger input with CMOS levels

= Output

= Input

= Power

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