MCP2155_13 datasheet(17/52 Pages) MICROCHIP

Part #	MCP2155

Description	IrDA짰 Standard Protocol Stack Controller

PDF	52 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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17 / 52 page

 2001-2013 Microchip Technology Inc.

Preliminary

DS21690B-page 17

MCP2155

FIGURE 2-10:

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)

No Response to Broadcast ID

Primary Device

Secondary Device

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

21690B.book Page 17 Thursday, January 10, 2013 1:06 PM

MCP2155 Datasheet(PDF) 17 Page - Microchip Technology

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