ep9301 Cirrus Logic, Inc., ep9301 Datasheet - Page 15

• Manufacturer Part Number: ep9301
• Description: Entry-level Arm9 System-on-chip Processor
• Manufacturer: Cirrus Logic, Inc.

SDRAM Burst Read Cycle
DS636PP5
SDWEn
SDCLK
SDCSn
DQMn
DQMn
RASn
CASn
CL = 2
CL = 3
CL = 2
CL = 3
AD
DA
DA
t
t
d
d
t
DQd
©
Figure 3. SDRAM Burst Read Cycle Timing Measurement
Copyright 2005 Cirrus Logic (All Rights Reserved)
t
h
t
DAs
t
clk_low
n
t
t
DAs
DAh
n
n + 1
t
DAh
Entry Level ARM9 System-on-Chip Processor
t
clk_high
t
clkrf
t
DQh
n + 1
n + 2
n + 3
n + 2
t
DQh
n + 3
EP9301
15