Part Number:TPS3823
各位大神们好,我自己做了一个实验来验证这颗芯片,在WDI看门狗输入持续为高电平时,复位输出并不会拉低,我观看数据手册也没有找到原因,是我操作有问题,还是这颗芯片设计就是只是在WDI喂狗不及时,持续为低时才复位呢?
Johnsin Tao:
Hi
看功能定义:WDI remains high or low longer than the timeout period, then reset is triggered. The timer clears when reset is asserted or when WDI sees a rising edge or a falling edge.