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PCM2901E/2K.B Datasheet(PDF) 26 Page - Texas Instruments

Part # PCM2901E/2K.B
Description  STEREO AUDIO CODEC WITH USB INTERFACE, SINGLE-ENDED ANALOG INPUT/OUTPUT AND S/PDIF
PDF  40 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCM2901E/2K.B Datasheet(HTML) 26 Page - Texas Instruments

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D+/D–
SEL1(Pin9)
2.5V(Typ)
0V
InternalReset
ReadyforSetup
SOF
ReadyforPlayback
BusReset
SetConfiguration
SOF
SOF
BPZ
BusIdle
3.3V (Typ)
5V=V
BUS
(Typ)
1 AudioData
st
2
AudioData
nd
V
(Pin27)
DD
SSPND
V
L
OUT
V
R
OUT
700 s
m
DeviceSetup
1ms
T0273-01
Play, Stop, and Detach Sequence
Record Sequence
Suspend and Resume Sequence
PCM2901
PCM2903
SLES034C – MARCH 2002 – REVISED NOVEMBER 2007
Figure 36. Power-On Under Attach
When the host finishes or aborts the playback, the PCM2901/2903 stops playing after the last audio data has
played.
The PCM2901/2903 starts the audio capture into the internal memory after receiving the SET_INTERFACE
command.
The PCM2901/2903 enters the suspend state after it detects a constant idle state on the USB bus, approximately
5 ms. While the PCM2901/2903 enters the suspend state, the SSPND flag (pin 28) is asserted. The
PCM2901/2903 wakes up immediately after detecting a non-idle state on the USB bus.
26
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Copyright © 2002–2007, Texas Instruments Incorporated
Product Folder Link(s): PCM2901 PCM2903



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