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  • #783

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Opened Nov 29, 2023 by 赵怀孙@zhaohuaisun
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[Feat]FM507-MFANG-定时器参数配置入口添加时间配置模式

1、根据客户要求,定时器部分定时时间的的配置,可以直接以输入时间的形式进行配置。

image

2、定时器时间和底层参数 psc(分频)、arr(重装载值) 以及定时器工作时钟 TIMx_CLK 之间的关系公式

image

其中 TIMx_CLK 定好之后为固定的,在此前提下由arr和psc配合产生时间,并且在众多arr和psc匹配方案中以psc值最小的方案为目标,这样可以使得计数器cnt计数时钟增大,进而提高定时器精度。

Edited Nov 29, 2023 by 赵怀孙
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Reference: fmsh-web-develop/mfang2.0#783