ep9315 Cirrus Logic, Inc., ep9315 Datasheet - Page 20
ep9315
Manufacturer Part Number
ep9315
Description
Enhanced Universal Platform System-on-chip Processor
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.EP9315.pdf
(64 pages)
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EP9315
Enhanced Universal Platform SOC Processor
Static Memory Single Word Write Cycle
20
AD setup to WRn assert time
AD hold from WRn deassert time
WRn deassert to CSn deassert time
CSn to WRn assert delay time
WRn assert time
CSn to DQMn assert delay time
WRn deassert to DA transition time
WRn assert to DA valid
DQMn
WAIT
WRn
RDn
CSn
AD
DA
Parameter
Figure 7. Static Memory Single Word Write Cycle Timing Measurement
t
©
ADs
t
WRd
Copyright 2005 Cirrus Logic (All Rights Reserved)
Symbol
t
t
t
WRpw
DQMd
t
t
t
t
t
WRd
ADs
ADh
CSh
DAh
DAV
t
DQMd
t
t
HCLK
HCLK
t
t
Min
HCLK
DAV
7
-
-
-
-
-
× 2
t
WRpw
3
t
HCLK
t
CSh
× (WST1 + 1)
Typ
-
-
-
-
-
-
-
t
ADh
Max
t
DAh
2
1
8
-
-
-
-
-
DS638PP4
Unit
ns
ns
ns
ns
ns
ns
ns
ns