【摘要】 HD7279A是一种串行键盘和显示智能控制芯片,单片即可构成键盘、显示接口电路;TMS320LF2407A电机控制专用数字信号处理器可方便实现交流电机的变频调速控制。本文从硬件和软件两方面介绍了HD7279A在基于TMS320LF2407A的交流电机变频调速系统中的应用。更多还原

【Abstract】 HD7279A is an intelligent serial keyboard and display control chip,it can construct keyboard and display interface circuit using single chip.TMS320LF2407A is a special digital signal processor(DSP)for motor control,and easily control variable-frequency speed regulating system of AC motors.The hardware and software application of HD7279A in the variable frequency variable speed system of AC motor based on TMS320LF2407A are also introduced.更多还原