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  • Working Voltage: 2.0~5.5V.
  • Customers can replace the internal voice content of the chip through MCU or supporting downloader.
  • Support one-line serial port, two-line serial port.
  • Support up to 4 channels of 16K sampling rate mixing.
  • With hardware SPI interface, UART interface, IIC, built-in comparator and other interfaces.
  • Chip built-in 220k byte storage space.
  • The chip main control program and flash data can be erased and re-programmed.
  • After the chip playing is over, and the IO port (DATA and CLK) maintains a stable level (both high and low levels) for 1 second, the chip enters sleep.

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