piclist 2001\11\27\055204a >
Thread: MAX7221 LED Display Driver
www.piclist.com/techref/displays.htm?key=led
picon face BY : Russell McMahon email (remove spam text)



MAX7221 8 digit x 8 segment LED display driver

May be well known to many but just introduced to me by a friend.
Where the micro is too busy etc, here's an 8 x 8 LED display driver capable
of driving 8 x 8 segment displays or 64 individual LEDs. Even more than this
with some extra effort.
3 wire serial interface.

Not overly cheap at $US5.63 from Digikey.
Cheaper to use a PIC :-)


Datasheet

       http://dbserv.maxim-ic.com/quick_view2.cfm?pdf_num=1339

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