https://www.i-diskhouse.shop/product/adsp-21489-dsp-development-module-adc-pcm1804-input-dac-pcm1798-output-board-4-in-6-out-4-in-8-out-processor/
ADSP-21489 DSP Development Module ADC PCM1804 Input DAC PCM1798 Output Board 4 in 6 Out / 4 in 8 Out Processor