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???
05/16/04 13:42
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 		 #70437 - RE: 8051 I/O extension
Responding to: ???'s previous message
A very good choice is to use an expanded I/O microcontroller. For a lot of I/O look at the Silicon Labs (Cygnal) C8051F020 part family. There are eight 8-bit ports for a total of 64 I/Os. And on this part, with 64K of onboard FLASH and 8K of SRAM there is typically no need to add external memory devices.

Michael Karas


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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