CS22250 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS22250

Wireless 10BT Controller

Cirrus Logic 

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 ‘Write’ 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

CS22250 Wireless 10BT Controller

28 of 32

www.cirrus.com

DS551PP2 Rev. 3.0

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