Datasheet

RecordSequence
D+/D–
V L
IN
V R
IN
1ms
SET_INTERFACE
AudioData
IN Token
AudioData
IN Token
AudioData
IN Token
SOF SOF SOF SOF SOF
T0259-01
SuspendandResumeSequence
5ms
D+/D–
SSPND
Idle
Active Active
Suspend
T0057-02
PCM2906B
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ThePCM2906BstartsaudiocaptureintotheinternalmemoryafterreceivingtheSET_INTERFACEcommand,
asshowninFigure34.
Figure34.RecordSequence
ThePCM2906BentersthesuspendstateafteraconstantidlestateontheUSBbus(approximately5ms),as
showninFigure35.WhilethePCM2906Bentersthesuspendstate,theSSPNDflag(pin28)isasserted.The
PCM2906Bwakesupimmediatelyupondetectinganon-idlestateontheUSB.
Figure35.SuspendandResumeSequence
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Not Recommended for New Designs