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Jim Granville
09/08/15 15:51
Read: 1043 times

#190566 - LED drivers
Responding to: Raghunathan's previous message
Raghunathan said:
For a project I have a requirement to interface 12 nos of 4 digit seven segment display modules to one P89V51RD2. ....

I am basically looking for something like the SAA1064 where you can have four modules on to one I2C bus. Is there anyway to do what I want without resorting to multiprocessor communication ?

You can easily run multiple i2c bus in SW on the P89V51RD2.

Another popular part in Asia is TM1637 LED driver
Search 4 Digit TM1637 LED on eBay for modules with LED+TM1637
(that also needs multiple i2c bus)

List of 7 messages in thread
One 89V51RD2 and 12 nos 4 digit LED modules      Raghunathan      09/08/15 08:23      
   shift registers      Jan Waclawek      09/08/15 12:44      
   LED drivers      Jim Granville      09/08/15 15:51      
      Why not many MAX7219 drivers?      Raghunathan      09/09/15 04:44      
         Sure, if you already have 12 x MAX7219       Jim Granville      09/10/15 20:24      
            Thanks to all those who responded      Raghunathan      09/12/15 20:47      
   might have been ridicolous, but      Erik Malund      09/09/15 06:44      

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