求dac0832与51单片机接口电路图,答:我做的滤波器 include<reg51.h> include"math.h"define N 25 define PI 3.1415926 sbit da_wr1=P3^6;sbit da_cs=P2^7;void InputWave();float FIR();void da0832();float fHn[N]={0.0,0.0,0.001,-0.002,0.01,-0.09,-0.018,0.049,-0.02,0.11,0.28,0.64,0.28,...
51单片机控制DAC0832产生正弦波,如何用定时器改变频率,求代码!_百度...答:你确定是使用定时器改变频率??下面的程序是使用定时器改变幅值的,你要是确定是定时器改变频率的话,把具体的要求贴出来 include <reg51.h> unsigned int i;code unsigned char Sin[128]={ 64,67,70,73,76,79,82,85,88,91,94,96,99,102,104,106,109,111,113,115,117,118,120,121,123...
怎么用51单片机控制DAC0832产生不同频率正弦波(C语言)答:0x80,0x7C,0x79,0x76,0x72,0x6F,0x6C,0x69,0x66,0x63,0x60,0x5D,0x5A,0x57,0x55,0x51,0x4E,0x4C,0x48,0x45,0x43,0x40,0x3D,0x3A,0x38,0x35,0x33,0x30,0x2E,0x2B,0x29,0x27,0x25,0x22,0x20,0x1E,0x1C,0x1A,0x18,0x16,0x15,0x13,0x11,0x10,0x0E,0x0D,0x0B...