rda5820 RDA5820和51单片机制作的FM数字收音机源代码及电路原理图.docVIP

rda5820 RDA5820和51单片机制作的FM数字收音机源代码及电路原理图 导读：就爱阅读网友为您分享以下“RDA5820和51单片机制作的FM数字收音机源代码及电路原理图”的资讯，希望对您有所帮助，感谢您对92的支持! * 晶振:8M */ #include lt;reg52.hgt; #include lt;string.hgt; #define ChannelCount 50 //最多支持多少个台，因为常驻内存，多了RAM放不下 #define uchar unsigned char #define uint unsigned int typedef struct { uchar Freq; uchar Rssi; }ChannelInfo; sbit SDA = P2; sbit SCL = P2
; sbit key1 = P3; sbit key2 = P2 ; sbit key3 = P2; sbit key4 = P2; // P3 ; sbit LcdEn = P3; sbit LcdRs = P3; uchar Channel = 0; uchar FreqTune = 0; const uint MinFreq = 870; //起始频率 * 100KHz co