OLED具备自发光、不需背光源、对比度高、厚度薄、视角广、反应速度快、可用于挠曲性面板、使用温度范围广、构造及制程较简单等优异特性,被认为是下一代的平面显示器新兴应用技术.目前OLED的驱动大部分都是基于STM系列ARM芯片和传统FPGA芯片.为适应Xilinx最新平台Zynq的人机交互需要,提出一种基于Zynq的OLED驱动设计方法.文章阐述了OLED的特性和SPI控制方式,给出了设计流程和硬件电路图.利用Zynq的PL部分完成了OLED驱动的IP核,利用Zynq的PS部分实现了OLED的驱动程序设计.通过AXI总线实现PL和PS的通信.最后通过测试程序,实现了字母、数字和点阵图像的实时显示.解决了基于Zynq器件在广电仪器和电力仪表仪器中人机交互的工程技术,具有集成度高、可移植性强和通用性好等优点.
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