JuiceBox Audio

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The JuiceBox uses a CS43L43, which is a complete stereo digital-to-analog (D/A) output system including interpolation, 1-bit D/A conversion, analog filtering, volume control, and a headphone amplifier. The CS43L43 operates from a 1.8 V to 3.3 V supply and consumes only 16 mW of power with a 1.8 V supply. These features are ideal for portable CD, MP3, and minidisc players, and other portable playback systems that require extremely low power consumption.

*http://www.cirrus.com/en/products/pro/detail/P132.html

Connections

CS43L43 CPU
LRCK IISLRCLK/GPC0
SDATA IISD0/GPC1
SCLK/DEM IISCLK/GPC3
MCLK CODECLK/GPE8
DIF0/SCL IICSCL/GPF0
DIF1/SDA IICSDA/GPF1
  • Volume control pot is read as ADC input #1. 0 is max volume, 1024 is min volume.

Category JuiceBox