本设计以LPC2103为控制芯片，探索研究了低频信号发生器的原理和应用，设计输出频率及幅度可调，频率范围为1HZ～50KHZ的正弦波、方波、三角波、调幅波、调频波及其复合波信号，具有信号频率、波形、幅度变化容易，硬件简单可靠等特点的多功能信号源。-For the control of the LPC2103 chip design, explore and study the low frequency signal generator theory and application of des

嵌入式Linux编程，实现了pwm发出方波，通过代码控制方波的占空比和频率-Embedded Linux programming to achieve the PWM square-wave, through code control the duty ratio and frequency of the square wave

嵌入式Linux编程，实现了pwm发出方波，通过代码控制方波的占空比和频率-Embedded Linux programming to achieve the PWM square-wave, through code control the duty ratio and frequency of the square wave