单片机控制AD4350发射点频的例程

//*** 本程序为V1.5版****//
//***本程序采用ADF4350生成2412.6M点频*****//
//***其中鉴相频率为10兆，参考晶振为20M，mod为500***//

$include (c8051f330.inc)
 
     CLK   BIT P1.3
     DAT   BIT P1.4
     LEE   BIT P1.5
 CE    BIT P1.6
           
 ORG  00H



           LJMP START


 ORG 0100H
       
START:
//禁看门狗
           ANL  PCA0MD,    #0BFH
           MOV  PCA0MD,    #000H
//端口初始化

           MOV  P1MDOUT,   #0FFH
        //MOV  P0MDIN,#0BFH            ;P0.6 is AD IN
          // MOV  P0SKIP,#40H             ;P0.6 IS SKIP

         
           MOV  XBR1,      #040H
           MOV  OSCICN,    #083H

           SETB CE
;****************************************
;URAT Communiction Program
;****************************************   
MAIN:      MOV   R6,#0FFH
DEL:       MOV   R7,#0FFH
           DJNZ  R7,$
 DJNZ  R6,DEL
 LCALL FLLSET

 MOV   R6,#0FFH
DEL1:      MOV   R7,#0FFH
           DJNZ  R7,$
 DJNZ  R6,DEL1
 LCALL FLLSET

           SJMP  $


FLLSET:    SETB LEE
           SETB DAT
           CLR  CLK

           CLR LEE
           MOV A,#00H       ;配置R5
           LCALL SENT