參數(shù)資料
型號(hào): EP9307-IRZ
廠商: Cirrus Logic, Inc.
英文描述: 432498925
中文描述: ARM9的系統(tǒng)芯片以太網(wǎng)USB顯示器和觸摸屏
文件頁數(shù): 20/48頁
文件大?。?/td> 716K
代理商: EP9307-IRZ
20
Copyright 2004 Cirrus Logic (All Rights Reserved)
DS667PP3
EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
Static Memory Single Word Write Cycle
Parameter
Symbol
Min
Typ
Max
Unit
AD setup to WRn assert time
t
ADs
-
t
HCLK
-
ns
AD hold from WRn deassert time
t
ADh
-
t
HCLK
×
3
-
ns
WRn deassert to CSn deassert time
t
CSh
-
t
HCLK
-
ns
CSn to WRn assert delay time
t
WRd
-
0
-
ns
WRn assert time
t
WRpw
-
t
HCLK
×
(WST1 + 1)
-
ns
CSn to DQMn assert delay time
t
DQMd
-
0
-
ns
WRn deassert to DQMn deassert time
t
DQMh
-
0
-
ns
WRn deassert to DA transition time
t
DAh
-
t
HCLK
-
ns
Figure 7. Static Memory Single Word Write Cycle Timing Measurement
CSn
WRn
RDn
DQMn
AD
DA
t
ADs
t
ADh
t
DQMd
t
CSh
t
WRd
t
WRpw
t
DAh
t
DQMh
WAIT
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