MCP2140A-I/SO 查看數據表（PDF） - Microchip Technology

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MCP2140A-I/SO

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

Microchip Technology 

MCP2140A

FIGURE 4-9:

OSC1

RXPD

RXPDREF

LOW POWER WAVEFORM

IR140

TABLE 4-9: LOW POWER REQUIREMENTS

AC Specifications

Electrical Characteristics:

Standard Operating Conditions (unless otherwise specified):

Operating Temperature: -40°C ≤ TA ≤ +85°C (industrial)

Operating Voltage VDD range is described in Section 4.1 “DC

Characteristics”

Param.

No.

Sym

Characteristic

Min

Typ

Max Units

Conditions

IR140 TRXPD2OSC RXPD pulse edge to valid

—

—

4

ms

device oscillator (1)

Note 1: At 9600 Baud, 4 ms is 4 bytes (of the 11 byte repeated SOF character). This allows the MCP2140A to

recognize a SOF character and properly receive the IR packet.

DS22050A-page 40

© 2007 Microchip Technology Inc.

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