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1 micro second time unit LPC2106

Bruno Silva

Greetings,

I would like to put the timer to interrupt the LPC2106 CPU on a multiple of 1 microseconds. I got success with a range of 1 millisecond, but at intervals of 1 micro the error is very large, about 40%, one has any idea how to shorten this interval?

Best regards

Parents
  • 0 in reply to Catcus Blip

    Hi,

    Thanks for your answers, the time spend in the ISR was bigger than the time unit. So, I changed my approach to use the timer only as a reference of time for the program without interruption. Compared the time of the program shown on Keil with the time of peripheral and saw that the counts were quite different. because i believe that any limitation on the counter. with a tick higher there is not much difference.

    bruno

Reply
  • 0 in reply to Catcus Blip

    Hi,

    Thanks for your answers, the time spend in the ISR was bigger than the time unit. So, I changed my approach to use the timer only as a reference of time for the program without interruption. Compared the time of the program shown on Keil with the time of peripheral and saw that the counts were quite different. because i believe that any limitation on the counter. with a tick higher there is not much difference.

    bruno

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