CM6648 Description
The CM6648 is a USB 2.0 high-speed audio chip with high performance audio codec which is targeting high-end USB type-C headset, microphone and USB-to-3.5mm Jack audio device. It bines stereo DAC and mono ADC, audio interface I2S, control interface I2C, and embedded flash to provide a highly-integrated audio solution. The CM6648 also supports UAC3.0 LPM L1 and is equipped with a stereo low power cap-free Class-G...
CM6648 Key Features
- USB 2.0 full-speed and high-speed pliant
- USB UAC1.0/2.0 and ADC3.0 with LPM L1 feature
- USB human interface device (HID) class 1.1 pliant
- Support USB suspend/resume/reset functions
- Support control/interrupt/isochronous data transfers
- Audio data supports up to 32-bits data length and
- Embedded 8051 MCU with internal 256KB flash
- 2-Ch DAC 122dB SNR; 1-Ch ADC 99dB SNR
- Parametric 12 bands (6+6 bands) equalizer shared for playback or record path
- Support Crystal-less and external crystal