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08/20/02 14:22
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#27565 - 89c2051, drop input voltage
Hi there

I am using 8255A as output port, however, whenever I am connect to one of the pin P3.1 to P3.5 of 89c2051, the output voltage of 8255 drops from 5 to 1.5 V. So I can do my control of 89c2051 from 8255 ?

Did I do anything wrong here ?

Thanks

Quang

List of 7 messages in thread
TopicAuthorDate
89c2051, drop input voltage            01/01/70 00:00      
RE: 89c2051, drop input voltage            01/01/70 00:00      
RE: 89c2051, drop input voltage            01/01/70 00:00      
RE: 89c2051, drop input voltage            01/01/70 00:00      
RE: 89c2051, drop input voltage            01/01/70 00:00      
RE: 89c2051, drop input voltage            01/01/70 00:00      
RE: 89c2051, drop input voltage            01/01/70 00:00      

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