ep9307 Cirrus Logic, Inc., ep9307 Datasheet - Page 29

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

Static Memory Turnaround Cycle
DS667PP4
CSnX deassert to CSnY assert time
DQMn
CSnX
CSnY
WAIT
WRn
Notes: 1. X and Y represent any two chip select numbers.
RDn
AD
DA
2. IDCY occurs on read-to-write and write-to-read.
3. IDCY is honored when going from a asynchronous device (CSx) to a synchronous device (/SDCSy).
Parameter
Figure 16. Static Memory Turnaround Cycle Timing Measurement
©
Copyright 2005 Cirrus Logic (All Rights Reserved)
Symbol
t
BTcyc
Min
-
ARM9 SOC with Ethernet, USB, Display and Touchscreen
t
BTcyc
t
HCLK
× (IDCY+1)
Typ
Max
-
EP9307
Unit
ns
29