LAN9500AI datasheet(29/213 Pages) MICROCHIP

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LAN9500AI データシート(PDF) 29 Page - Microchip Technology

部品番号	LAN9500AI

部品情報	LAN950x USB 2.0 to 10/100 Ethernet Controller

PDF	213 Pages

Scroll/Zoom	100%

メーカー	MICROCHIP [Microchip Technology]

ホームページ	http://www.microchip.com

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29 / 213 page

 2010 - 2015 Microchip Technology Inc.

DS00001875A-page 29

LAN950x

In the case where the Bulk Out packet is errored, the URX does not respond to the Host. The URX will request that the

FCT rewinds the packet. It is the Hosts responsibility to retransmit the packet at a later time.

The FCT notifies the URX when it detects loss of sync. When this occurs, the URX stalls the Bulk Out pipe. This is an

appropriate response, as loss of sync is a catastrophic error. This behavior is configurable via the Hardware Configura-

tion Register (HW_CFG) on page 122.

FIGURE 5-3:

USB BULK OUT TRANSACTION SUMMARY

Host

Function

Out Token

Data Out

Transfer

ACK

NYET

STALL

Ping

Data Error

ACK

NAK

FS/HS

HS Only

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