摘要
详细介绍了南京沁恒电子有限公司数码管驱动及键盘控制芯片CH452A的应用。包括CH452的驱动控制原理、与单片机STC11F0xE的接口,数码管驱动,键盘电路和系统设计。
This paper describes in detail the applications of digital tube-driven and keyboard control chip CH452A made by Electronics Co.,Ltd.Nanjing Qinheng.It includes the control principle of CH452 and the interface of single-chip STC11F0xE,the digital tube control drive,the keyboard circuit and system design.
出处
《现代机械》
2010年第4期53-55,共3页
Modern Machinery