The Application And Characteristics Of The Digital Chip

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The digital tube also has applications in the voice chip, such as intelligent alarm clock, intelligent lock, sound sound, etc. Many of them are made by a chip that can be driven by a 4-bit digital tube display driver + MP3 voice broadcast function. A single chip is equipped with a digital tube driver. And MP3 playback function, can greatly reduce the development cost.

The application characteristics of the digital tube in the voice chip are as follows:

(1) dynamic display scanning control, direct drive various digital display;

(2) Built-in AD data readout, used for key reading mode

(3) support FAT，FAT32 document system;

(4) control mode：Standard UART communication interface, support DMA和流 control，default波特率9600;

(4) 上电default not playable;

(5) support voice quality audio format, (8kbps~320kbps) sound quality;

(6) built-in 0.5WD类功放;

(7) volume level, volume level 32 class;

8.

(9) digital audio stream, IIS support host and 从机mode;

(10) Large power IO drive capability, the highest can directly drive 64mA.