DE2-70开发板中附带的控制面板，可以读取存储器中的数据，这个可以正常连接和读取，有好几版本的，有的不能用，而这个经过我亲自测试。-DE2-70 development board comes with a control panel, you can read the data in the memory, this can be properly connected and read, there are several versions, and some can not be used