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TPS65381看门狗复位

我用tps65381给mcu芯片供电,使用SPI给65381喂狗,正常运行。

现在我的产品要升级程序,上电后,仿真器给mcu烧写程序,此时由于没有spi信号发出,导致cpu不能正常喂狗,从而导致65381的NRST复位我的芯片,从而导致程序无法下载。不知道ti砖家对此有没有什么好的建议。