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Play Stop and Detach Sequence
SOF
1ms
D+ (pin 4),
D–(pin 3)
V
OUT
L (pin 18),
V
OUT
R (pin 22)
V
BUS
(pin 2)
SOF SOF SOF
AudiodataAudiodata Lastaudiodata
SOF
Detach
Record Sequence
D+ (pin 4),
D– (pin 3)
V
IN
(pin 16)
1ms
SOF SOF
SET_INTERFACE
SOF
AudiodataINtoken
SOF
AudiodataINtoken
SOF
AudiodataINtoken
PCM2912
SLES216 – FEBRUARY 2008
When the host finishes or aborts the playing back, the PCM2912 stops the playing after last audio data has
played.
Figure 34. Play, Stop, and Detach
The PCM2912 starts the audio capture into the internal memory after receiving the SET_INTERFACE command.
Figure 35. Record Sequence
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Product Folder Link(s): PCM2912