Datasheet

Play, Stop, and Detach Sequence
D+(pin4),
D (pin3)-
V (pin2)
BUS
V L (pin18),
V R(pin22)
OUT
OUT
AudioData AudioData Last AudioData
1ms
SOF SOF SOF SOF SOF
Detach
Record Sequence
D+ (pin 4),
D– (pin 3)
V (pin16)
IN
1ms
SOF SOF
SET_INTERFACE
SOF
AudiodataINtoken
SOF
AudiodataINtoken
SOF
AudiodataINtoken
PCM2912A
SLES230 – SEPTEMBER 2008 .......................................................................................................................................................................................... www.ti.com
When the host finishes or aborts the play back process, the PCM2912A stops playing after last audio data has
played, as shown in Figure 34 .
Figure 34. Play, Stop, and Detach
Figure 35 illustrates how the PCM2912A records the audio into the internal memory after receiving the
SET_INTERFACE command.
Figure 35. Record Sequence
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Product Folder Link(s): PCM2912A