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Guy Lavoie
03/01/20 13:19
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#190975 - Overclocking a Philips 87c51UBPN
Hello. It's been a while since I've posted. My question is: can a microcontroller be overclocked and still be reliable? The reason I'm asking is because I'm planning on using a Philips 87c51UBPN that I already have to make a one off MIDI project. With a regular 87c51 at 12 MHz I can get the MIDI baud rate (31.25kB) by using a uart divider value set to FF, the highest possible setting. I figure that I could run a chip at 24 MHz with a divider at FE, or at 36 MHz with a divider at FD. I know that the 87c51UBPN is rated at 33 MHz. Could it be pushed to 36 MHz for maximum processing speed without ill effect?

Thanks for any experiences or suggestions!

List of 3 messages in thread
TopicAuthorDate
Overclocking a Philips 87c51UBPN      Guy Lavoie      03/01/20 13:19      
   Check the data corners      Jim Granville      03/02/20 12:36      
      Overclocking a Philips 87c51UBPN      Guy Lavoie      03/03/20 18:06      

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