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tps65381看门狗设置

Other Parts Discussed in Thread: TMS570LS3137

你好,我使用tms570ls3137与tps65381设计电路,现在spi通信没问题,可是设置tps65381总是有问题,请问,电源芯片的看门狗如何设置,open和close时间窗如何设置,设置完时间窗后,什么时候通io给电源芯片发送wdi喂狗信号,我现在发送的喂狗信号总是不对,fail counter总是7,麻烦给点源码,并给一些要点的指导。