基于ISA总线的计算机与DSP的通信
在开放式数控系统结构模型的基础上,研究了基于ISA总线的DSP通信控制原理。采用中断方式完成了PC机和DSP之间的通信。介绍了以DriverWorks为工具开发ISA设备WDM驱动程序的方法,探讨了中...
在开放式数控系统结构模型的基础上,研究了基于ISA总线的DSP通信控制原理。采用中断方式完成了PC机和DSP之间的通信。介绍了以DriverWorks为工具开发ISA设备WDM驱动程序的方法,探讨了中...
MMC/SD卡以其优越的性能,在单片机嵌入式设备中得到广泛应用。将MMC/SD卡作为外部掉电存储介质应用于音频信号发生器中,通过8051F330单片机上的SPI接口,实现单片机—MMC/S...
为了解决磁放大器性能测试过程中,需要对其供给不同数值恒定电流的问题,设计了一种基于DAC7512和单片机的数控恒流源系统。该系统采用AT89C51作为主控器件,将计算机发送的电流控制字命令转换为D/A...
The PCF8578 is a low power CMOS1 LCD row and column driver, designed to drive dotmatrix graphic disp...
The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GP...
The XL6003 regulator is fixed frequency PWM Boost (step-up) DC/DC converter, capable ofdriving 1050m...
The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output ...
The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Inp...
The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (G...
The PCA9670 provides general purpose remote I/O expansion for most microcontrollerfamilies via the t...