PIC18F4450T-I/ML【PDF 46/241 页】IC PIC MCU FLASH 8KX16 44QFN

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dsPIC30F3010/3011

DS70141F-page 14

2010 Microchip Technology Inc.

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

pinout and the functions that are 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:

dsPIC30F3011 I/O PIN DESCRIPTIONS

Pin Name

Pin

Type

Buffer

Type

Description

AN0-AN8

Analog

Analog input channels.

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

respectively.

AVDD

Positive supply for analog module. This pin must be connected at all times.

AVSS

Ground reference for analog module. This pin must be connected at all times.

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-CN7

CN17-CN18

Input change notification inputs.

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

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, IC2, IC7,

IC8

Capture inputs 1, 2, 7 and 8.

INDX

QEA

QEB

Quadrature Encoder Index Pulse input.

Quadrature Encoder Phase A input in QEI mode.

Auxiliary Timer External Clock/Gate input in Timer mode.

Quadrature Encoder Phase B input in QEI mode.

Auxiliary Timer External Clock/Gate input in Timer mode.

INT0

INT1

INT2

External interrupt 0.

External interrupt 1.

External interrupt 2.

FLTA

PWM1L

PWM1H

PWM2L

PWM2H

PWM3L

PWM3H

—

PWM Fault A input.

PWM 1 Low output.

PWM 1 High output.

PWM 2 Low output.

PWM 2 High output.

PWM 3 Low output.

PWM 3 High output.

MCLR

I/P

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

low Reset to the device.

OCFA

OC1-OC4

—

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

Compare outputs 1 through 4.

Legend: CMOS =

CMOS compatible input or output

Analog =

Analog input

Schmitt Trigger input with CMOS levels

Output

Input

Power

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