1、 I 摘 要 SOPC触控屏接口驱动设计紧跟嵌入式系统发展趋势，采用一种新的嵌入式系统设 计技术SOPC(片上可编程系统)技术进行的触控屏接口驱动设计产品开发。TFT触摸 屏具有电压低、功耗小、易集成、轻巧便携以及显示效果好等突出优点，现已广泛应用 于各种显示领域，在人机交互中扮演着重要的角色。 本文设计的是基于SOPC触控屏接口驱动。该驱动设计分为硬件开发和软件开发两 个流程。通过软件控制硬件电路触控屏的显示。 本设计采用 Altera 公司的 CycloneIII 系列的 FPGA 芯片配置 Nios II 处理器，采用 Verilog语言编写触控屏接口驱动；在 SOPC 用户自定义 IP
2、 核添加设计的驱动组件；使 用 Altera 公司提供的 Quartus II 8.0 和 Nios II 8.0 作为调试环境；完成了设计任务，达到 了预期的效果。 关键词：关键词：Nios II；Quartus II；FPGA；Verilog；SOPC II Abstract The SOPC touch screen interface drive design follows embedded systems development trend, using a new method of embedded system design technology - the SOPC (ch
3、ip programmable system) technology for touch screen interface drive design product development. TFT touch screen with voltage, low consumption, easy integration, lightweight portable and display prominent advantages effect is good, has been widely applied in all kinds of display field, in human-comp
4、uter interaction plays an important role. This design is based on the SOPC touch screen interface drivers. The driver design into hardware development and software development two processes. Through software control hardware circuit touch screen displays. The system uses Alteras FPGA chip configuration CycloneIII series NiosII processor, The touch screen is base on Verilog language preparation interface drive; Using the SOPC user-defined IP nuclear add design driver components ; using Alter
