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): 23/36頁
文件大?。?/td> 291K
代理商: GL811USB
GL811USB – USB 2.0 to ATA / ATAPI Bridge Controller
2000-2002 Genesys Logic Inc.—All rights reserved.
Page 22
6.4.3 Ultra DMA data transfer
6.4.3.1 Ultra DMA data burst timing requirements
Mode 0
(in ns)
min
Mode 1
(in ns)
min
Mode 2
(in ns)
min
Mode 3
(in ns)
min
Mode 4
(in ns)
Min
Name
max
max
max
max
max
Comment
t
2CYCTYP
240
160
120
90
60
Typical sustained average two
cycle time
t
CYC
112
73
54
39
25
Cycle time allowing for
asymmetry and clock variations
t
2CYC
230
154
115
86
57
Two cycle time allowing for clock
variations
t
DS
t
DH
t
DVS
t
DVH
t
FS
t
LI
t
MLI
t
UI
15
10
7
7
5
Data setup time at recipient
5
5
5
5
5
Data hold time at recipient
70
48
30
20
6
Data valid setup time at sender
6
6
6
6
6
Data valid hold time at sender
0
230
0
200
0
170
0
130
0
120
First STORBE time
0
150
0
150
0
150
0
100
0
100
Limited interlock time
20
20
20
20
20
Interlock time with minimum
0
0
0
0
0
Unlimited interlock time
t
AZ
10
10
10
10
10
Maximum time allowed for
output drivers to release
t
ZAH
20
20
20
20
20
Minimum delay time required for
output
t
ZAD
t
ENV
t
SR
t
RFS
0
0
0
0
0
Drivers to assert or negate
20
70
20
70
20
70
20
55
20
55
Envelope time
50
30
20
NA
NA
STROBE to DMARDY_ time
75
70
60
60
60
Ready to final STROBE time
t
RP
160
125
100
100
100
Minimum time to assert STOP or
negate DMARQ
t
IORDYZ
20
20
20
20
20
Maximum time before releasing
IORDY
t
ZIORDY
0
0
0
0
0
Minimum time before driving
STROBE
t
ACK
20
20
20
20
20
Setup and hold times for
DMACK_
t
SS
50
50
50
50
50
Time from STROBE edge to
negation of DMARQ or assertion
of STOP
相關(guān)PDF資料
PDF描述
GL841 GL841 USB 2.0 2-in-1 Scanner Controller
GL8EG31 Optoelectronic
GL8HD31 Optoelectronic
GL8HS31 Optoelectronic
GL8KG31 Optoelectronic
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GL813 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB 2.0 CompactFlash Card Reader Controller
GL815E-FPL-0-0 制造商:RadiSys 功能描述:BRD;ATX;815E;VIDEO;LAN;CEL;
GL816 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB 2.0 Flash Card Reader Controller
GL816E 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 9-in-1 Card Reader Controller
GL817E 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 MS/ MS PRO/ SD/ MMC Controller