说明：  AD9834是一款75 MHz、低功耗直接数字频率合成器(DDS)，能产生高性能正弦波和三角波输出。它还具有一个片内比较器，可以提供用于产生时钟的方波。该器件在3 V时的功耗仅为20 mW，非常适合对功耗敏感的应用。这个就是驱动程序，有ASM和C两中语言写的。谢谢大家。
(The AD9834 is a 75 MHz, low-power direct digital frequency synthesis (DDS), can produce high-performance sine wave and triangle wave output. It also has an on-chip comparator can be used to generate the square wave clock. The device is only 20 mW at 3 V power consumption is ideal for power sensitive applications.This is the driver, written in ASM and C language.Thank you. )