说明：  瑞萨公司出的16位单片机芯片手册，在官方下载不到，也是找代理要的，常用在电瓶车的控制器上，驱动BLDC电机
(The 16-bit microcontroller chip manuals produced by Reissa are not officially downloadable and are also sought after by agents. They are commonly used in battery car controllers to drive BLDC motors.)