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本文简要介绍了在MSP430F149单片机中使用I2C总线接口的键盘及LED 驱动器芯片ZLG7290,实现中断工作方式的键盘电路设计,并给出了相 应的程序实例。
This article briefly describes the use of the keyboard and LED driver chip ZLG7290 I2C bus interface in the MSP430F149 microcontroller to achieve the interrupt circuit keyboard design, and gives the corresponding program examples.