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自制手持烧写器

Other Parts Discussed in Thread: C2000-GANG

各位好:

我现在有这么一个需求,产品销售出去,经常需要到客户现场更新程序,比较费时费力,现在想自己做一个手持烧写板,实现功能为:应用程序存储在里面,设定烧写次数,到次数后自动擦除。前提是加密,程序不能外漏。

请问应用什么协议,JTAG,SCI,CAN还是其他。