MCP2140A datasheet(2/60 Pages) MICROCHIP

Part #	MCP2140A

Description	IrDA짰 Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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2 / 60 page

MCP2140A

DS22050A-page 2

MCP2140A System Block Diagram

Encode

Decode

TX

TXIR

RX

I/O

MCP2140A

PIC®

SO

SI

Baud Rate

Generator

UART

Control

Logic

RXPD

RXPDREF

+

-

RTS

CTS

DSR

DTR

CD

RI

PHACT

I/O

Note 1: Not all microcontroller I/O pins are required to be connected to the MCP2140A.

Microcontroller

Optical

TXD

RXD

Transceiver

R1 (100 k

Ω)

R2 (100 k

Ω)

0.1 µF

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