Maxim makes some video crosspoint arrays. I think they use a SPI interface, which some PICs have out of the box, or you can simulate with software. For instance, the MAX456 is an 8x8 video crosspoint switch. This may be what Mr. Hagberg was refering to (below)... j. 06:06 PM 5/25/97 -0500, you wrote: >circuit cellar did articles on a 8x8 video switch or it could be >used as a sterio 4x4 switch. > >michael > >At 04:25 PM 5/25/97 -0400, you wrote: >>Does anybody know of any resources for the design of a 4-in/2-out home >>video/audio matrix-style distribution system. This is kind of related >>in that I will be using a PIC for switching control. >>Thanks ...j.l.c... >> >> > Jeff Otterson ------------- otterson@mindspring.com Maker and user of tools PGP key available at http://www.mindspring.com/~otterson/pgp.htm