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10/16/03 20:28
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#56778 - Expanded I/O - timing?
I am developing a specification for a new control system that requires expanded I/O similar to another recent thread.

It has at least 50 user keys, a few analog and digital inputs, and at least 50 outputs. The previous version of this product used an 80C320 with a PLD and memory mapped I/O, LCD, Keypad, RTC. Now I am considering the uPSD or Cygnal chips that have built-in FLASH, SRAM, and Logic. I am also considering using I2C chips for I/O and analog inputs.

For budgeting software overhead, can anyone tell me about what to expect for a number of CPU cycles or microseconds (at 11 MHz) for accessing an I2C I/O peripheral like the MAX 6956?

Thanks!


List of 12 messages in thread
TopicAuthorDate
Expanded I/O - timing?            01/01/70 00:00      
   RE: Expanded I/O - timing?            01/01/70 00:00      
      RE: Expanded I/O - timing?            01/01/70 00:00      
         RE: Expanded I/O - timing?            01/01/70 00:00      
            RE: Expanded I/O - timing?            01/01/70 00:00      
   RE: Expanded I/O - timing?            01/01/70 00:00      
      RE: Expanded I/O - timing?            01/01/70 00:00      
         RE: Expanded I/O - timing?            01/01/70 00:00      
            RE: Expanded I/O - timing?            01/01/70 00:00      
         RE: Expanded I/O - timing?            01/01/70 00:00      
            RE: Expanded I/O - timing?            01/01/70 00:00      
               RE: Expanded I/O - timing?            01/01/70 00:00      

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