Described was a design of a serial real-time clock chip with I2C bus interfaces,which was a low power,full binary-coded decimal(BCD) clock/calendar chip,and whose address and data were transferred serially through an I2C bidirectional bus.

• 论述了一种采用I2C总线接口的串行实时时钟芯片的设计方法.；该芯片是一个低功耗、完全BCD码的时钟/日历芯片；地址和数据通过I2C双向数据总线串行传输