时钟芯片S-3530A与C8051F040单片机的通讯接口设计

Design of Communication Interface of Clock Chip S-3530A and C8051F040 MCU

串行实时时钟芯片S-3530A具有工作电压低、精度高、采用串行I2C接口等特点,在介绍该芯片工作原理的同时,给出了其与C8051F040单片机通讯接口的硬件电路和软件通讯设计。

Serial real-time clock chip S-3530A is of the characters of low working voltage,high accuracy,and uses serial I^2C interface to communication and so on. We not only introduced the principle of work for this clock chip, but also gave the communication interface with hardware circuit and the software communication design of this clock chip and the C8051F040 MCU .