摘要：利用EtherCAT总线拓扑结构灵活、配置简单、数据传输高速高效、实时性、同步性好等优点,以及STM32芯片丰富的外设功能,设计了一款具有EtherCAT网络接口功能的无刷直流电动机控制器,并提供了系统硬件及软件的设计方案。控制器通过专用通信芯片与上位机进行通信,实现了控制器与外部数据传输的数字化和实时传输。

摘要：To meet the demand of the display of color plasma display panel(PDP), a flat panel display (FPD) conversion card based on a monitor controller AL300 is designed in this paper. Different video sources, PAL/NTSC/SECAM, or different display modes (from VGA to SXGA) of PC graphic signals can be recognized automatically and digitized by this conversion card. Because the FPD supports only one fixed resolution (fixed display pixels),the video/graphic signal must be horizontally interpolated, vertically interpolated and timing adjusted for the whole picture fitting into the displayable region of the screen. Meanwhile, some control signals come into *** whole process is controlled by a microprocessor with I 2C bus. This display conversion card exhibits very satisfying display effect and has been adopted by several companies.