Datasheet Summary
DESCRIPTION
The CM6637 is a USB 2.0 high speed audio controller that plaints with USB Audio Device Class 2.0. The CM6637 provides standard I2S and S/PDIF digital audio interface. The maximum outputs are 12 channels separate to I2S, TDM, HDA and S/PDIF. The maximum inputs are 12 channels as well and separate to I2S, TDM, HDA and S/PDIF. The first I2S out interface can be used to transfer PCM and DSD audio data. Moreover, the CM6637 supports I2C, SPI and GPIOs to municate with external device. The CM6637 is embedded with 8051 MCU and 512KB flash makes it is very flexible to change the USB topology or municate with external device by changing internal flash code.
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