The article introduces its structure, property, feature and analyzes the design method of it and SPI. The present application note describes an example of controlling a 4-bit LED using SPI.
介绍了该芯片的结构、性能、特点，并分析了它与外围器件的SPI接口设计方法，给出了用SPI接口控制4位显示器的实例。
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