Bluetooth speaker chip

Peripheral and Interfaces
1. Support low power VAD application,such as  KWS and customized offline voice  commands recognition;
2. Three multi-function 32-bit timers, support  Capture and PWM mode；
3. One QSPI/DSPI/SPI flash memory interface  to support UI SPI Flash;
4. One QSPI/SPI LCD interface to support  QSPI/SPI LCD;  SPI Master/slave interface;
5.Full speed USB 2.0 HOST/DEVICE controller;
6. Tow SD Card Host controller;Two Hardware IIC support 400K;
7. Hardware Quad-decoder;
8.WatchDog;
9. Three full-duplex UART;
10.Sixteen Channels 10-bit SARADC;
11. Build in PMU, such as CHARGER/LDO;
12. VUSB for charger, wakeup, communication,  reset functions;
13. Support 4.35V/4.2V high voltage battery;