> Atmel places programming information for each chip in that chip's > datasheet - it's not a seperate document. Thanks for that, I found it now. Still, is there a binary level specification for the opcodes of AVRs? I have the assembly programming specification and I hope to find it there. thanks, Peter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist