参数资料
型号: EP9312-EBZ
厂商: Cirrus Logic, Inc.
英文描述: Universal Platform System-on-chip Processor
中文描述: 通用平台系统芯片处理器
文件页数: 18/62页
文件大小: 884K
代理商: EP9312-EBZ
18
Copyright 2005 Cirrus Logic (All Rights Reserved)
DS515PP7
EP9312
Universal Platform SOC Processor
SDRAM Auto Refresh Cycle
Note:
Chip select shown as bus to illustrate multiple devices being put into auto refresh in one access
Figure 5. SDRAM Auto Refresh Cycle Timing Measurement
SDCLK
SDCSn
RASn
CASn
SDWEn
t
clk_low
t
clk_high
7
b
d
e
t
d
t
h
t
clkrf
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