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AN58764,安装驱动之后,CPU占用率接近20% | Cypress Semiconductor


Summary: 2 Replies, Latest post by RSKV on 06 Jun 2013 08:38 AM PDT
Verified Answers: 1
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yubsh's picture
1 post

驱动正常安装,设备正确加载,驱动程序名称usbser.sys。 在xp,win7系统下,分别测试,串口可用。但CPU占用率在10~20%之间,请问有何解决办法?谢谢!

user_460349's picture
1362 posts

 Most people here use english and may not understand what your problem is. 

rskv's picture
Cypress Employee
1134 posts


Problem description:
"He is using the project files attached to AN58764 with FX2LP. FX2LP enumerated as Virtual com port and drivers are installed on Windows 7 PC. But when he is using this project the CPU consumption is around 10-20%."

Please feel free to correct me, if I am wrong.
But I don't think we have done this measurement with this project. Did you check the CPU load with any other Virtual com port devices?. If you think it is not acceptable for you, please create tech support case so that one of our engineer will test it and help you in providing the solution if there are any.

sai krishna.

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