MCP2140-IP datasheet(52/58 Pages) MICROCHIP

부품명	MCP2140-IP

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

PDF	58 Pages

Scroll/Zoom	100%

제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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52 / 58 page

MCP2140

DS21790A-page 52

Preliminary

 2003 Microchip Technology Inc.

FIGURE C-1:

HIGH LEVEL IRCOMM CONNECTION SEQUENCE

Normal Disconnect Mode (NDM)

Send XID Commands

(timeslots n, n+1, ...)

No Response

XID Response in timeslot y,

Finish sending XIDs

(max timeslots - y frames)

Broadcast ID

No Response to these XIDs

claiming this timeslot, (MCP2140

No Response to Broadcast ID

Primary Device

(MCP2140)

Discovery

Normal Response Mode (NRM)

Send SNRM Command

(w/ parameters and

connection address)

Open channel for IAS Queries

Send IAS Queries

Open channel for data

Send Data or Status

Shutdown link

UA response with parameters

using connect address

Confirm channel open for IAS

Provide IAS responses

Confirm channel open for data

Send Data or Status

Confirm shutdown

(back to NDM state)

(approximately 70ms

between XID commands)

Send Data or Status

(MCP2140 DSR pin driven low)

Secondary Device

always claims timeslot 0)

MCP2140-IP 데이터시트(PDF) 52 Page - Microchip Technology

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