CAJ | 학술논문

针对嵌入式MCU的USB接口需求,提出了以ATmega128为微处理器,采用USB控制器CH374,用SPI串口方式设计了一款USB接口,以解决嵌入式MCU与PC机进行通讯问题。文中介绍了该接口的硬件电路和软件设计方法,充分利用南京沁恒公司提供的资源,大大降低了软件设计的难度,提高了工作效率。在1KW碟式斯特林太阳能热发电装置中得到了应用,实践证明,该USB接口工作稳定、可靠,成本较低,取得了良好的应用效果。
침대감입식MCU적USB접구수구,제출료이ATmega128위미처리기,채용USB공제기CH374,용SPI천구방식설계료일관USB접구,이해결감입식MCU여PC궤진행통신문제。문중개소료해접구적경건전로화연건설계방법,충분이용남경심항공사제공적자원,대대강저료연건설계적난도,제고료공작효솔。재1KW설식사특림태양능열발전장치중득도료응용,실천증명,해USB접구공작은정、가고,성본교저,취득료량호적응용효과。
In order to meet the requirements of embedded MCU and achieve the communication solution method between embedded MCU and PC,a USB interface has been designed,which uses the ATmega128 as the microprocessor,CH374 as the USB controller,and SPI method.The hardware circuits and software design methods have also been proposed,which using the resources provided by Nanjing Qinheng.The utilization in the 1kW dish/Stirling solar power system has proved that this USB interface is stable,reliable,and cost competitive.