EP9301-EQ CIRRUS [Cirrus Logic], EP9301-EQ Datasheet - Page 17

• Manufacturer Part Number: EP9301-EQ
• Description: Entry-level ARM9 System-on-chip Processor
• Manufacturer: CIRRUS [Cirrus Logic]

SDRAM Auto Refresh Cycle
DS636PP5
SDWEn
SDCLK
SDCSn
RASn
CASn
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
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Copyright 2005 Cirrus Logic (All Rights Reserved)
t
d
7
t
clk_low
b
d
Entry Level ARM9 System-on-Chip Processor
t
clk_high
t
clkrf
e
t
h
EP9301
17