參數(shù)資料
型號: KS9245
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Automated CD-ROM Controller(光盤驅(qū)動(dòng)器控制器器)
中文描述: 自動(dòng)CD - ROM控制器(光盤驅(qū)動(dòng)器控制器器)
文件頁數(shù): 87/102頁
文件大?。?/td> 419K
代理商: KS9245
SAMSUNG
Version: TM 2.4
KS9245 ATAPI Automated CD-ROM Controller
Preliminary Technical Manual
_____________________________________________________________
Do Not Copy or Release
10-15
Tss
Drive Stop Request During Read
IORDY (Drive STROBE)
DMARQ (Drive DMARQ)
Ultra DMA Timing Parameters (Mode-2)
Parameter
Symbol
Min.
Max
.
Unit
Cycle Time
Two Cycle Time
Data Setup Time at Receiver
Data Hold Time at Receiver
Data Valid Setup Time at Sender
Data Valid Hold Time at Sender
First Strobe Time - time allowed for drive to send first STROBE
Limited Interlock Time
Limited Interlock Time with Minimum
Unlimited Interlock Time
Maximum time allowed for outputs to tristate
Minimum delay required for output drivers to turn on from High Z
Tcyc
T2cyc
Tds
Tdh
Tdvs
Tdvh
Tfs
Tli
Tmli
Tui
Taz
Tzah
Tzad
Tenv
Tsr
Trfs
Trp
Tiordyz
Tziordy
Tack
Tss
55
117
7
3
34
6
0
0
20
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
170
150
10
20
0
20
Envelope Time
STROBE-to-DMARDY response time to ensure Synchronous Pause
READY-to-Final-STROBE Time
READY-to-Pause Time
Pull-Up Time before allowing IORDY to go High Z
Minimum time Drive must wait before driving IORDY
Setup and Hold times before assertion and deassertion of /DMACK
Time from STROBE edge to STOP assertion when sender is stopping
70
20
50
100
20
0
20
50
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