ep9307 Cirrus Logic, Inc., ep9307 Datasheet - Page 28

• Manufacturer Part Number: ep9307
• Description: Arm9 Soc With Ethernet, Usb, Display, And Touchscreen
• Manufacturer: Cirrus Logic, Inc.

EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
Static Memory Single Write Wait Cycle
28
WAIT to WRn deassert delay time
CSn assert to WAIT time
WAIT assert time
WAIT to CSn deassert delay time
DQMn
WAIT
WRn
RDn
CSn
AD
DA
Parameter
Figure 15. Static Memory Single Write Wait Cycle Timing Measurement
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Copyright 2005 Cirrus Logic (All Rights Reserved)
Symbol
t
t
WAITpw
t
t
WAITd
CSnd
WRd
t
WAITd
t
t
t
HCLK
HCLK
HCLK
Min
-
× 2
× 2
× 3
t
WAITpw
t
WRd
Typ
-
-
-
-
t
CSnd
t
HCLK
t
HCLK
t
t
HCLK
HCLK
× (WST1-2)
Max
× 510
× 4
× 5
DS667PP4
Unit
ns
ns
ns
ns