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hi,我们现在的应用场景是:soc作为iic主机,连接934,mcu作为iic从机,连接933。
当soc读操作进行一次读mcu数据时,通过示波器发现,933会给mcu经常发两次读操作,然后mcu返回给933数据。
请问mcu在准备数据时一般也就几十us的延时,933为什么会发两次操作呢?我看933内部有个看门狗寄存器,那个设置的周期是几秒左右。