液晶与显示
液晶與顯示
액정여현시
CHINESE JOURNAL OF LIQUID CRYSTALS AND DISPLAYS
2014年
6期
926-932
,共7页
LED点阵控制器%FPGA器件%有限状态机%仿真
LED點陣控製器%FPGA器件%有限狀態機%倣真
LED점진공제기%FPGA기건%유한상태궤%방진
LED matrix controller%FPGA device%FSM%simulation
为了适应不同场合对 LED 点阵控制器的需求,实现能方便调整控制器的各种功能参数,介绍一种基于 FPGA 器件,以 FSM 方式实现的 LED 点阵系统控制器。该控制器的主要控制电路都在一个 FPGA 器件中综合实现,内部主要由串口通信模块、双口 RAM 模块、显示数据处理与传输模块、工作时钟发生器模块等四大模块构成。双口 RAM 模块由可参数化宏功能模块定制而成,其他模块以 Verilog 语言描述内部逻辑。控制器与驱动电路之间采用08接口相连,控制器与 PC 监控中心通过 RS-232串口形式进行数据传输。通过在 Quartus II 平台上仿真及下载验证,控制器能实时地接收串口数据,实现文字和位图的显示功能。该控制器具有硬件简洁、扩展方便、可靠性高等优点。
為瞭適應不同場閤對 LED 點陣控製器的需求,實現能方便調整控製器的各種功能參數,介紹一種基于 FPGA 器件,以 FSM 方式實現的 LED 點陣繫統控製器。該控製器的主要控製電路都在一箇 FPGA 器件中綜閤實現,內部主要由串口通信模塊、雙口 RAM 模塊、顯示數據處理與傳輸模塊、工作時鐘髮生器模塊等四大模塊構成。雙口 RAM 模塊由可參數化宏功能模塊定製而成,其他模塊以 Verilog 語言描述內部邏輯。控製器與驅動電路之間採用08接口相連,控製器與 PC 鑑控中心通過 RS-232串口形式進行數據傳輸。通過在 Quartus II 平檯上倣真及下載驗證,控製器能實時地接收串口數據,實現文字和位圖的顯示功能。該控製器具有硬件簡潔、擴展方便、可靠性高等優點。
위료괄응불동장합대 LED 점진공제기적수구,실현능방편조정공제기적각충공능삼수,개소일충기우 FPGA 기건,이 FSM 방식실현적 LED 점진계통공제기。해공제기적주요공제전로도재일개 FPGA 기건중종합실현,내부주요유천구통신모괴、쌍구 RAM 모괴、현시수거처리여전수모괴、공작시종발생기모괴등사대모괴구성。쌍구 RAM 모괴유가삼수화굉공능모괴정제이성,기타모괴이 Verilog 어언묘술내부라집。공제기여구동전로지간채용08접구상련,공제기여 PC 감공중심통과 RS-232천구형식진행수거전수。통과재 Quartus II 평태상방진급하재험증,공제기능실시지접수천구수거,실현문자화위도적현시공능。해공제기구유경건간길、확전방편、가고성고등우점。
In order to meet the requirements of LED matrix controller in the different occasions and ac-complish adjust different parameters properly,this paper introduces an implement of LED Matrix sys-tem controller based on FPGA through finite state machine.The primary control logic of the control-ler is integrated into FPGA device,which is composed of Serial Communication Module,Dual-port RAM Modules,LED Matrix Modules and Clock Generator Modules.Dual-port RAM Modules is cus-tomized by LPM.The other modules are described by Verilog HDL.The controller and the drive board are connected by the 08 port.The controller and PC monitoring center can communicate with each other through RS-232 serial bus.The simulation results on the Quartus II platform and operation performance showed that the controller possess the characteristics of hardware simplicity,expansion easy and high reliability.