CY8C6245LQI-S3D72 Normal operation problem without crystal oscillator

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paddyliu
Level 3
Level 3
Distributor - Macnica(GC)
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Hi  Sir,

客户目前在找不用添加外部时钟的MCU,也可以正常工作,请问PSOC4或者PSOC62,若是在PCB设计得时候,没有添加外部晶振的情况下,也可以正常工作吗?谢谢

Regards

Paddy

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1 Solution
LinglingG_46
Moderator
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500 solutions authored 1000 replies posted 10 questions asked

psoc4 和psoc6内部提供的时钟的精度都是+-2%,如果你又20ppm的需求,建议外接ECO。

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LinglingG_46
Moderator
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500 solutions authored 1000 replies posted 10 questions asked

psoc4 或者psoc62都可以在不接外部晶振的情况下正常工作。

内部的时钟精度不一定能达到你的要求,请问你对时钟精度的要求是什么?

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paddyliu
Level 3
Level 3
Distributor - Macnica(GC)
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Hi  Lingling

时钟精度的话是20ppm, 谢谢。

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paddyliu
Level 3
Level 3
Distributor - Macnica(GC)
5 comments on blog First comment on blog First like received

Hi  Lingling

时钟精度的话是20ppm, 谢谢。

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LinglingG_46
Moderator
Moderator
Moderator
500 solutions authored 1000 replies posted 10 questions asked

psoc4 和psoc6内部提供的时钟的精度都是+-2%,如果你又20ppm的需求,建议外接ECO。

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paddyliu
Level 3
Level 3
Distributor - Macnica(GC)
5 comments on blog First comment on blog First like received

好的,谢谢。

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