此为基于ARM7编写的,采用周立功LPC2131系列ARM编写,用的是C语言,实现的是DDS AD9850 正弦波产生,晶振(参考频率)为PWM6产生,外围电路参照有关电路,不管何总都一样.-This is prepared based on the ARM7, the LPC2131 series ARM Ligong weeks to prepare, using the C language, realize that the D