C利用51单片机蜂鸣器演奏音乐，硬件接法：P36控制交流蜂鸣器，发声频率等于P36的方波振荡频率。在本程序中，定时器初始值计算方法：假设音乐频率为 X，晶振为11.0592MHz -The C 51 MCU buzzer to play music, hardware connection: P36 to control exchange buzzer, sound frequency square wave oscillation frequency is equal to P36. In t