该装置由8块LED、RS

代码说明：

该装置由8块LED、RS-232C等外设构成，内核为H8，具有以下功能。  通过使用RS-232、Xmodem 通讯，进行命令文件的下载功能。  通过8块LED根据命令进行各种模式的显示功能。 -The device consists of 8 LED, RS-232C and other peripheral structure, the kernel for the H8, has the following features.  by using the RS-232, Xmodem communications, command files to the download function.  by 8 LED under the command of various modes of display.