----- Original Message ----- From: "Jinx" > > However, how does one handle multiple slave devices especially > > if they are the same device > > As others have said, use the chip's address pins. A current project > of mine has multiple F88 slaves, and I use a similar system so the > user can configure it. Simply put (although there's more to it), each > block of 8 x F88s has a base address and each F88 within that > block has a unique address relative to the base address. Each block's > base address can be changed with user-configurable jumpers, so that > you are able to keep adding blocks of 8 x F88s I simply must know what it is that uses blocks of 8 x F88s. ;-) Is it some kind of LED sign control? -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist