看文档只能在1-1K范围内调整。实际测试无法调得更大?但频率高的应用就没办法了
PWM的频率,只能1-1k吗?怎么能调高?thank you!
Re: PWM的频率,只能1-1k吗?怎么能调高?thank you!
Postby costaud » Thu Jun 04, 2015 3:44 pm
leeshine wrote:PWM的频率,只能1-1k吗?怎么能调高?thank you!
看文档只能在1-1K范围内调整。实际测试无法调得更大?但频率高的应用就没办法了![]()
。
Hi, 在sdk1.1.0及以后的版本,我们针对led 调光的pwm进行过优化,将pwm精度提高到45ns,目前只将频率限制在100hz-1khz之间。
请问应用在什么场合,对pwm频率和精度有什么要求。
Re: PWM的频率,只能1-1k吗?怎么能调高?thank you!
Postby leeshine » Thu Jun 04, 2015 7:04 pm
costaud wrote:leeshine wrote:PWM的频率,只能1-1k吗?怎么能调高?thank you!
看文档只能在1-1K范围内调整。实际测试无法调得更大?但频率高的应用就没办法了![]()
。
Hi, 在sdk1.1.0及以后的版本,我们针对led 调光的pwm进行过优化,将pwm精度提高到45ns,目前只将频率限制在100hz-1khz之间。
请问应用在什么场合,对pwm频率和精度有什么要求。
人耳能听到的声音范围为20~20000,能调到这个范围之外比较好
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