GL811USB データシートの表示（PDF） - Genesys Logic

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GL811USB

USB 2.0 to ATA / ATAPI Bridge Controller

Genesys Logic 

GL811USB – USB 2.0 to ATA / ATAPI Bridge Controller

6.4.3.2 Initiating an Ultra DMA data-in burst

DMARQ

(device)

DMACK_

(host)

STOP

(host)

HDMARDY_

(host)

DSTROBE

(device)

tUI

tACK

tENV

tACK

tENV

tZIORDY

tFS

tZAD

tFS

tZAD

tAZ

IODD (15:0)

tDVS

tDVH

DA0, DA1,

tACK

DA2, CS0_,

CS1_

Notes:

The definitions for the DIOW_:STOP, DIOR_:HDMARDY_:HSTROBE and

IORDY:DDMARDY_:DSTROBE signal lines are not in efficient until DMARQ and DMACK are

asserted.

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