參數(shù)資料
型號: UM_S3C49F9X
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: S3C49F9X User’s Manual
中文描述: S3C49F9X用戶手冊
文件頁數(shù): 22/74頁
文件大?。?/td> 653K
代理商: UM_S3C49F9X
S3C49F9X SOLID DISK CONTROLLER INTERFACE BUS TIMMING
22
3.2 Attribute Memory Write Timing Specification
The attribute memory access time is defined as 250 ns. Detailed timing specifications are shown
in table 3-2.
Note.
A host cannot write to CIS. This timing is specified only for the write to Configuration Register.
Table 3-2 Attribute Memory Write Timing
250 ns
Parameter
Symbol
IEEE Symbol
Min ns.
Max ns.
Write Cycle Time
tcW
tAVAV
250
Write Pulse Width
tw(WE)
tWLWH
150
Address Setup Time
tsu(A)
tAVWL
30
Write Recovery Time
trec(WE)
tWMAX
30
Data Setup Time for WE
tsu(D-WEH)
tDVWH
80
Data Hold Time
th(D)
tWMDX
30
Note.
All times are in nanosecond. Din signifies data provided by the system to the PC Card.
Data In Valid
-REG
An
-WE
-CE
-OE
Din
tc(W)
th(D)
trec(WE)
tsu(A)
tw(WE)
tsu(D-WEH)
Figure 3-2 Attribute Memory Write Timing Diagram
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