EP9307 Datasheet, PDF (27/48 Pages) Cirrus Logic – ARM9 SOC WITH ETHERNET USB DISPLAY AND TOUCHSCREEN

Static Memory Single Write Wait Cycle
Parameter
WAIT to WRn deassert delay time
CSn assert to WAIT time
WAIT assert time
WAIT to CSn deassert delay time
Symbol
t_WRd
t_WAITd
t_WAITpw
t_CSnd
EP9307
ARM9 SOC with Ethernet, USB, Display and Touchscreen
Min
t_HCLK × 2
-
t_HCLK × 2
t_HCLK × 3
Typ
-
-
-
-
Max
t_HCLK × 4
t_HCLK × (WST1 - 2)
t_HCLK × 510
t_HCLK × 5
Unit
ns
ns
ns
ns
AD
CSn
WRn
RDn
DQMn
DA
WAIT
t_{W Rd}
t_{W AITd}
t_{W AITpw}
t_CSnd
Figure 14. Static Memory Single Write Wait Cycle Timing Measurement
DS667PP3
©Copyright 2004 Cirrus Logic (All Rights Reserved)
27