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Section 28 Sampling Rate Converter
R01UH0134EJ0400 Rev. 4.00 Page 1637 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Section 28 Sampling Rate Converter
The sampling rate converter converts the sampling rate for data produced by decoders such as
WMA, MP3, or AAC.
28.1 Features
Table 28.1 Feature
Item Channel 0 Channel 1
Data format 16-bit stereo/16-bit monaural 16-bit monaural
Input sampling rate Selectable from 8 kHz, 11.025
kHz, 12 kHz, 16 kHz, 22.05
kHz, 24 kHz, 32 kHz, 44.1 kHz,
and 48 kHz
44.1 kHz
Output sampling rate Selectable from 44.1 kHz and
48 kHz
Selectable from 8 kHz and 16
kHz
Processing capacity: A sample output interval is a maximum of 8 s and 14 s for channels 0
and 1, respectively. (P 36 MHz)
SNR: 80 db or higher
Five interrupt sources: Input data FIFO empty, output data FIFO full, output data FIFO
overwrite, output data FIFO underflow, and conversion end
Two DMA transfer sources: Input data FIFO empty and output data FIFO full
Module standby mode
Power consumption can be reduced by stopping clock supply to this module when not used.