Hello! I have a question. I wonder how can i load the hex file (program load) for some Dallas chip which derive from 8051 Microcontroller such as DS80C320 or DS87C550 and DS87C530 for 8051, 89C51, 89C52 i can program fro it by using Easy-Downloader board and EZDL4_1 application (software for Easy-Downloader)to load the hex file in to 8051, 89C51, 89C52 (I get board and software from http://chaokhun.kmitl.ac.th/~kswichit/) But i don't know for DS80C320 or DS87C550 and DS87C530 how can i do. Have any one help me ?