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该电路是1套以AT89C52单片机作为控制核心,控制SC7313数字音频控制处理芯片的音频音色处理电路。SC7313是一个采用CMOS工艺技术设计的四声道音质处理器IC芯片,芯片内部包含音量、低音、高音、通道均衡、前/后级衰减和响度处理;SC7313的所有功能均可以有I2C的形式由单片机AT89C52来控制完成,由程序控制完成多变的功能。电路由存储芯片24C01执行掉电的保存状态功能。设计采用了液晶显示功能,其丰富的菜单选择,使整个操作过程更为人性化和可视化。SC7313的各脚功能和应用电路更是有利于PCB板的设计,使设计更加简单化,节约成本。其广泛应用于煤炭企业的起动预警音响系统。
The circuit is a set of AT89C52 microcontroller as the control core, control SC7313 digital audio control chip audio tone processing circuit. The SC7313 is a quad-channel sound processor IC designed with CMOS process technology. The chip includes internal volume, bass, treble, channel equalization, pre- / post-stage attenuation and loudness processing. All functions of the SC7313 are available in I2C form. SCM AT89C52 to complete the control by the program to complete the changing functions of control. Circuit by the memory chip 24C01 power-down save state function. The design uses a liquid crystal display, its rich menu selection, the entire operation process more humane and visual. The function of each foot of SC7313 and application circuit are more favorable to the design of PCB board, make the design more simplified, cost-saving. It is widely used in coal start warning sound system.