So...not generally a good practice but I have two devices that are getting configured with identical data, no readback on the configuration. Wondering what the downside is to load both at the same time...short of running the same routine twice with two different chip selects. As mentioned, this is a bit bang SPI output. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist