參數(shù)資料
型號(hào): EP9312
廠商: CIRRUS LOGIC INC
元件分類: 消費(fèi)家電
英文描述: Universal Platform System-on-chip Processor
中文描述: SPECIALTY CONSUMER CIRCUIT, PBGA352
封裝: PLASTIC, BGA-352
文件頁數(shù): 22/62頁
文件大?。?/td> 884K
代理商: EP9312
22
Copyright 2005 Cirrus Logic (All Rights Reserved)
DS515PP7
EP9312
Universal Platform SOC Processor
Static Memory 32-bit Write on 8-bit External Bus
Parameter
Symbol
Min
Typ
Max
Unit
AD setup to WRn assert time
t
ADs
t
HCLK
3
-
-
ns
WRn/DQMn deassert to AD transition time
t
ADd
-
-
t
HCLK
+
6
ns
AD hold from WRn deassert time
t
ADh
t
HCLK
×
2
-
-
ns
CSn hold from WRn deassert time
t
CSh
7
-
-
ns
CSn to WRn assert delay time
t
WRd
-
-
2
ns
WRn assert time
t
WRpwL
-
t
HCLK
×
(WST1 + 1)
-
ns
WRn deassert time
t
WRpwH
-
t
HCLK
×
2
(t
HCLK
×
2) + 14
ns
CSn to DQMn assert delay time
t
DQMd
-
-
1
ns
DQMn assert time
t
DQMpwL
-
t
HCLK
×
(WST1 + 1)
-
ns
DQMn deassert time
t
DQMpwH
-
-
(t
HCLK
×
2) + 7
ns
WRn / DQMn deassert to DA transition time
t
DAh
t
HCLK
-
-
ns
WRn / DQMn assert to DA valid time
t
DAV
-
-
8
ns
Figure 9. Static Memory Multiple Word Write 8-bit Cycle Timing Measurement
CSn
WRn
RDn
DQMn
AD
DA
t
ADs
t
WRd
t
DQMd
t
WRpwL
t
DAh
t
WRpwH
t
ADd
t
CSh
t
ADh
t
DQMpwL
t
DQMpwH
t
WRpwL
t
WRpwH
t
WRpwL
t
WRpwH
t
DQMpwL
t
DQMpwH
t
DQMpwL
t
DQMpwH
t
DAh
t
DAh
t
DAh
t
ADd
t
ADd
WAIT
t
DAV
t
DAV
t
DAV
t
DAV
相關(guān)PDF資料
PDF描述
EP9312-CB Universal Platform System-on-chip Processor
EP9312-CBZ Universal Platform System-on-chip Processor
EP9312-EB Universal Platform System-on-chip Processor
EP9312-EBZ Universal Platform System-on-chip Processor
EP9312-IB Universal Platform System-on-chip Processor
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