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8051 again

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amsung2

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how can i obtain a 1Hz square wave from any one of the pins of any port of 8051?
i need to froduce exactly 1hz, can any one help me with the calculations that include the Xtal frequency and other delays?
 
how can i obtain a 1Hz square wave from any one of the pins of any port of 8051?
i need to froduce exactly 1hz, can any one help me with the calculations that include the Xtal frequency and other delays?

Hi amsung!

There is an excellent tutorial on 8051s at **broken link removed**, along with exactly the information you are looking for at **broken link removed**.

Does that help?


Good luck,

Torben
 
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