参数资料
型号: EP9302-IQZ
厂商: Cirrus Logic, Inc.
英文描述: High-speed ARM9 System-on-chip Processor with MaverickCrunch
中文描述: 高速ARM9的系统级芯片处理器MaverickCrunch
文件页数: 15/42页
文件大小: 302K
代理商: EP9302-IQZ
DS653PP3
Copyright 2005 Cirrus Logic (All Rights Reserved)
15
EP9302
High-speed ARM9 System-on-chip Processor with MaverickCrunch
SDRAM Burst Read Cycle
Figure 3. SDRAM Burst Read Cycle Timing Measurement
n
n + 1
n + 2
n + 3
SDCLK
SDCSn
RASn
CASn
SDWEn
DQMn
CL = 2
AD
DA
CL = 2
t
DAs
t
clk_low
t
clk_high
t
clkrf
t
d
t
d
t
h
t
DAh
t
DQh
t
DQd
n
n + 1
n + 2
n + 3
t
DAs
t
DAh
DA
CL = 3
DQMn
CL = 3
t
DQh
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