Under the control of core chip ARM MPU, with the help of programmable logic device CPLD, the control system finished the data store and update, dynamic cartoon processing, circulation showing etc.

• 该系统以ARM微处理器为核心，在可编程逻辑器件CPLD控制下，完成显示数据传输与更新、动态画面的刷新、循环扫描显示等功能。