终端软件下载器设计与实现

In this paper, point at the software upgrade issue of electronic products, a quick end product of a large number of methods of software upgrades. And the design of single-chip microcomputer-based terminal SYNCMOS SM5964 browser software to download. Terminal software to download using RS485 communication devices and computer communications upgrade download specified file, the file is saved, and the corresponding end of the document on product upgrades. 12864 The design shows the current status and menu information, the use of FLASH (25VF020-040) upgrade to preserve documents, the use of state machine and message processing model as the core control methods. The terminal downloads software has the two major advantages of low cost and convenient for carrying.