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05/16/04 10:16
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 		 #70424 - 8051 I/O extension
I'm working on a 8051-based project and I need a lot of I/O ports (at least 24). Can somebody help me with ideas and samples. Is the Intel 8255 good enough or I have to use some I2C communicating chips?

Thanks, Nick

List of 23 messages in thread
TopicAuthorDate
8051 I/O extension            01/01/70 00:00      
   use Latch and Buffers            01/01/70 00:00      
   RE: 8051 I/O extension            01/01/70 00:00      
      8255: for historical interest only!            01/01/70 00:00      
         RE: 8255: for historical interest only!            01/01/70 00:00      
            RE: 8255: for historical interest only!            01/01/70 00:00      
               RE: Difference Engine            01/01/70 00:00      
               RE: 8255: for historical interest only!            01/01/70 00:00      
               RE: 8255: for historical interest only!            01/01/70 00:00      
   RE: 8051 I/O extension            01/01/70 00:00      
   RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
      RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
         RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
            RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
               RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
                  RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
                     RE: 8051 Output extension using UCN5833A            01/01/70 00:00      
   RE: 8051 I/O extension            01/01/70 00:00      
      RE: 8051 I/O extension            01/01/70 00:00      
   another approach            01/01/70 00:00      
      RE: another approach            01/01/70 00:00      
      RE: Multitasking            01/01/70 00:00      
         RE: Multitasking            01/01/70 00:00      

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