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05/21/03 12:26
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#46218 - Ports high on power on and reset
Hi

I have read a previous thread on the ports of the Atmel 8051 chips that go high on reset or power on.

The one solution was to work inverted, keeping the ports high and switching by setting the pins low.

Lets say I don't want to work inverted. How would I keep the Atmel's high going to affect the rest of my circuitry? Has anyone found a good practical method?

I was thinking of using the "power-on reset" cap in conjunction with a transistor. Would it work?

Thanks
Roelf Pringle

List of 4 messages in thread
TopicAuthorDate
Ports high on power on and reset            01/01/70 00:00      
   RE: Ports high on power on and reset            01/01/70 00:00      
      RE: Ports high on power on and reset            01/01/70 00:00      
   RE: Ports high on power on and reset            01/01/70 00:00      

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