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Description

1. I2C serial interface provides keyboard interrupt signal to facilitate the interface with the processor

2. Can drive 8-bit common cathode digital tube or 64 independent LEDs and 64 keys

3. Controllable scanning digits Can control any digital tube flashing

4. Provides control of data decoding and cyclic shift segment addressing

5. 8 function keys can detect the number of consecutive hits of any key

6. Directly drive LED without external components, expand drive current and drive voltage