说明：  BM43TND最新的说明手册，增加了详细的上电过程和IIC通讯流程的说明，修改HEX为下标，解决之前表示混乱不易读的问题，对驱动编写有很大帮助。内含驱动程序，可以参考对比
(Bm43tnd latest instruction manual added detailed instructions of power on process and IIC communication process, modified hex as the subscript, solved the problem of confusion and hard to read before, which is very helpful for driver writing.)