GL811USB 查看數據表（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

6.4.3.7 Initiating an Ultra DMA data-out burst

DMARQ

(device)

DMACK_

(host)

STOP

(host)

tUI

tACK

tENV

DDMARDY_

(device)

tZIORDY

tENV

tLI

tUI

tACK

HSTROBE

(host)

IODD (15:0)

(host)

tDVS

tDVH

tACK

DA0, DA1,

DA2, CS0_,

CS1_

Notes:

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

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

asserted.

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