MCP2140 データシートの表示（PDF） - Microchip Technology

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MCP2140

IrDA® Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate

Microchip Technology 

MCP2140

MCP2140 System Block Diagram

PICmicro®

Microcontroller

TX

SO

MCP2140

Decode

TXIR

IR LED

SI

I/O

RTS

I/O

CTS

I/O

DSR

I/O

DTR

I/O

I/O

CD

RI

Baud Rate

Generator

RX

+

Encode

-

UART

Control

RXPD

IR Receive

Detect

RXPDREF Circuitry

IR Photo

diode

I/O

PHACT

Logic

Note 1: Not all microcontroller I/O pins are required to be connected to the MCP2140.

DS21790A-page 2

Preliminary

 2003 Microchip Technology Inc.

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