JuiceBox Audio
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.