參數(shù)資料
型號: GL811USB
廠商: Electronic Theatre Controls, Inc.
英文描述: USB 2.0 to ATA / ATAPI Bridge Controller
中文描述: USB 2.0至的ATA / ATAPI控制器橋
文件頁數(shù): 22/36頁
文件大小: 291K
代理商: GL811USB
GL811USB – USB 2.0 to ATA / ATAPI Bridge Controller
2000-2002 Genesys Logic Inc.—All rights reserved.
Page 21
6.4.2.4 Host terminating a Multiword DMA data burst
Note:
1. To terminate the transmission of a data burst, the Host shall negate DMACK_ within the
specified time after a DIOR_ or DIOW_ pulse. No further DIOR_ or DIOW_ pulses shall be
asserted for this burst.
2.
If the device is able to continue the transfer of data, the device may leave DMARQ asserted
and wait for the host to reassert DMACK_ or may negate DMARQ at any time after detecting
that DMACK_ has been negated.
CS0_/ CS1_
DMARQ
(Note2)
DMACK_
(Note1)
DIOR_/DIOW_
Read DD(15:0)
Write DD(15:0)
t
N
t
0
t
J
t
D
t
K
t
E
t
Z
t
F
t
H
t
G
t
G
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