EP7312-CB-90 CIRRUS [Cirrus Logic], EP7312-CB-90 Datasheet - Page 19

• Manufacturer Part Number: EP7312-CB-90
• Description: HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
• Manufacturer: CIRRUS [Cirrus Logic]

SDRAM Burst Write Cycle
DS508PP5
SDMWE
SDCLK
SDRAS
SDCAS
SDQM
ADDR
SDCS
DATA
Note:
1. Timings are shown with CAS latency = 2
2. The SDCLK signal may be phase shifted relative to the rest of the SDRAM control and data signals due to uneven loading.
Designers should take care to ensure that delays between SDRAM control and data signals are approximately equal
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RAa
t
t
DAd
ADv
t
CSa
Figure 5. SDRAM Burst Write Cycle Timing Measurement
©
C opyright Cirrus Logic, Inc. 2003
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t
(All Rights Reserved)
CSd
RAd
ADRAS
t
t
ADv
MWa
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t
CSa
CAa
0
D1
t
t
CSd
CAd
High-Performance, Low-Power System on Chip
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DAd
t
MWd
D2
t
DAd
ADCAS
D3
t
DAd
D4
EP7312
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