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国产RTC时钟芯片替代PCF8563,低功耗的实时时钟芯片KY8563
KY8563是一款低功耗的实时时钟/日历芯片。支持双线双向I2C总线串联通信,最高速率:400kbps。每次读写数据字节后,寄存器 ...
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