ADF4351配置程序.zip_ADF4351_ADF4351程式_adf4350配置_adf4351 程序_adf4351配置

//单片机STC15L104E ADF4351 使稳定2700MHz-3000MHz(步进1M) REF = 30MHz #include<reg51.h> //请根据器件自己映射端口列表 sbit LE=P3^3; sbit DATA=P3^2; sbit CLK=P3^4; sfr P3M0=0xb2; sfr P3M1=0xb1; //可编程延时 void delay(unsigned int i) { unsigned int j; for(j=0;j<i;j++); } //ADF4351初始化 void ADF4351_INIT() { SCON=0X50; TMOD=0X21; P3M1=0X00; P3M0=0X1C; //请根据自己的MCU添加额外的初始化语句 } //串行数据传送函数 void ADF4351_data_input(unsigned long int all_data) { unsigned long int temp; unsigned int i; temp=0x80000000; //从高位开始 LE=0; CLK=0; DATA=1; delay(10); for(i=0;i<32;i++) //32位数据配置 { CLK=0; delay(10); if(all_data&temp) //注意位与&与&&的区别 { DATA=1; //不为0 } else { DATA=0; //为0 } temp=temp>>1; delay(10); CLK=1; delay(10); } CLK=0; delay(10); LE=1; //保存配置 DATA=1; } //ADF4351配置函数 void ADF4351_control() { ADF4351_data_input(0x00580005); // R5 ADF4351_data_input(0x0080803C); // R4 ADF4351_data_input(0x000004B3);// R3 ADF4351_data_input(0x18064E42);// R2 ADF4351_data_input(0x08008009);// R1 ADF4351_data_input(0x052D0000);// R0 LE=1; CLK=0; DATA=1; } //主循环 void main() { unsigned long int temp1; unsigned int i1; i1=0; temp1=0x052D0000; //2650M的初始频率 delay(4000); ADF4351_INIT(); //初始化程序 delay(4000); ADF4351_control(); //寄存器配置程序 delay(4000); for(;;) //死循环 { for(;temp1<0X5D18000;) //2700M>3000M循环 { ADF4351_data_input(temp1);// R0 temp1=temp1+0x8000; // delay(100); } for(;temp1>0X52C8000;) //2700M<3000M循环 { ADF4351_data_input(temp1);// R0 temp1=temp1-0x8000; // delay(100); } } }