USBB17AP77016-XXX-B11 NEC Electronics, USBB17AP77016-XXX-B11 Datasheet - Page 39

• Manufacturer Part Number: USBB17AP77016-XXX-B11
• Description: DSP middleware(WMA (Windows Media Audio)decoder)
• Manufacturer: NEC Electronics

Yes
output buffer address setting
Requested sample number,
Start of predecode processing
Output buffer data copied
wmad_FileDecodeData
equal to the processing unit
to serial output buffer
wmad_FileGetPCM
Decode processing
Decode processing
Acquired sample
number = 0?
been output?
Any errors?
End of file?
Has data
No
No
No
Yes
Figure 4-4. Predecode Processing Flow
CHAPTER 4 SYSTEM EXAMPLE
User’s Manual U15683EJ1V0UM
Yes
Yes
No
To serial output start processing
To decode end processing
Error processing
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