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| CS22230 Datasheet, PDF (24/29 Pages) Cirrus Logic – WIRELESS PCI/USB CONTROLLER | |||
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SMCLK
SMD[15:0]
SMA[13:0]
SMDQM[1:0]
SMNCS[1:0]
SMNWE
SMCKE
SMNRAS
SMNCAS
tdSMA
tdSMD
WRITE DATA
ROW ADDR
COLUMN ADDR
tdSMDQM
tdSMNCS
tdSMNWE
tdSMCKE
tdSMNRAS
tdSMNCAS
Figure 5. System Memory Interface âWriteâ Timing Diagram
SMCLK
SMD[15:0]
SMA[13:0]
SMDQM[1:0]
SMNCS[1:0]
SMNWE
SMCKE
SMNRAS
SMNCAS
tperSMCLK
tdSMA
ROW ADDR
thSMD
tsuSMD
DATA
COLUMN ADDR
tdSMNCS
ACTIVE
tdSMCKE
tdSMNRAS
tdSMNCAS
Figure 6. System Memory Interface 'Read' Timing Diagram
CS22230 Mini PCI / USB Wireless Controller
24 of 29
www.cirrus.com
DS558PP1 Rev. 1.0
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