The M9328MX21ADSE是一个i.MX21 MCU application 开发 系统. The application 开发系统has 19 连接器和sockets that support application 软件, target电路板 debugging,和optional circuit cards. A separate LCD显示器 panel和a separate keypad are supplied with the application 开发 系统. When you connect the LCD panel和keypad to the application 开发系统base电路板, they align with each other.