每个看门狗具有一个可选择的预分频器(从1到64K)，可用于时钟看门狗定时器也能触发dma请求和捕获比较通道。

Each watchdog has a selectable prescaler (from 1 to 64 k) that can be used to clock the watchdog timers which can also trigger DMA requests and capture compare channels.

youdao

每个看门狗具有一个可选择的预分频器(从1到64K)，可用于时钟看门狗定时器也能触发dma请求和捕获比较通道。

Each watchdog has a selectable prescaler (from 1 to 64 k) that can be used to clock the watchdog timers which can also trigger DMA requests and capture compare channels.

youdao