CS98200
Next Generation DVD Processor
2.2.5
ROM/NVRAM Interface
Symbol
t
rc
t
t
Description
Read Cycle Time
CE to Data Setup
OE to Data Setup
Address to Data Setup
Address to WE setup (Write)
CE to WE setup (Write)
WE Pulse Width (Write)
CE to Data Output (Write)
WE to Data Hold (Write)
Min
75
Typ
Max
80
70
80
Unit
ns
ns
ns
ns
ns
ns
ns
cds
ods
t
ads
t
aws
64
64
160
0
10
t
cws
t
t
wp
cdo
ns
ns
t
dh
Table 3. RAM/NVROM Characteristics
t
rc
Address[22:0]
NV_CE_N
t
cds
NV_O E_N
(M _AP)
t
ods
t
ads
M _D[7:0]
NV_W E_N
Figure 12. ROM/NVRAM Reading Timing
18
铮?/div>
Copyright 2002 Cirrus Logic (All Rights Reserved)
DS581PP2
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