ZLG7290 keyboard detection and LED display ZLG7290 example I2C interface is a keyboard and LED-driven management devices, providing data decoding and recycling, displacement, paragraph addressing such control. It can be sampling 64 keys or sensors, to complete single-chip LED display, full function keyboard interface. ZLG7290 from address 70H, the internal device through the I2C bus to visit the register address range of 00H ~ 17H, any register can be directly read and write by byte, and to support automatic function and address of the site by flip function.

ZLG7290_LED.pdf

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