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SI47XX-EVB Datasheet, PDF (73/164 Pages) Silicon Laboratories – Thank you for purchasing the Silicon Laboratories
Si47xx-EVB
6.4. CODEC and SPDIF Settings
Si47xx-EVB baseboard has a Codec and an SPDIF translator for digital audio output. For tuners with digital audio
option, you can set properties for the Codec and SPDIF through the GUI. These settings can be used with AM or
FM tuners that have digital audio enabled.
Select WindowPropertiesCODEC and SPDIF Settings.
Note: SPDIF will not be supported on new EVBs as of February 14, 2011. SPDIF properties will not be available through the
GUI in conjunction with those boards. CODEC properties will be available through WindowPropertiesCODEC
Settings.
Figure 56. CODEC and SPDIF Settings Window
Table 16. CODEC and SPDIF Settings Windows Descriptions
Items
Description
Range
Codec Precision
Codec Output Format
Codec Sampling Rate
Codec Channel Swap
Codec Invert Clock
SPDIF Output Format
SPDIF Invert Clock
Misc.
Precision of the CODEC on baseboard in bits.
Format of audio output through the Codec.
16-bit, 20-bit, 24-bit
I2S, Left-Justified, DSP(MSB
on 1st DCLK), DSP(MSB on
2nd DCLK)
Sampling rate for the Codec in kHz.
32 kHz, 48 kHz
Determines if channels need to be swapped on the
Codec.
ON, OFF
ON inverts the digital clock.
Format of audio output through the SPDIF.
ON, OFF
I2S, Left-Justified
ON inverts the digital clock.
ON, OFF
Rev. 0.8
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