Do you know a www addy for a datasheet. www.maxim.com = some pharmaceutical company. > -----Original Message----- > From: pic microcontroller discussion list > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of David J Binnington > Sent: 03 October 1999 12:20 > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: Driving 7segment displays > > > Wagner wrote: > > > If you know some other manufacturer similar chip, email me or post here, > > I think more people are interested. > > The MAXIM MAX7219 works very well and only needs one resistor to > select the > maximum segment drive current. Drives any combination of up to 8 > digits or > discrete LED matrices. Requires 3 I/O - clock, serial data & chip select > but the clock and chip select can be multiplexed with other I/O. > Brightness, > number of digits, decoding etc. etc. are all under digital > control. Serial > register also has an output to allow devices to be chained. > > Dave >