摘要
介绍了ZLG7290 I2C接口键盘及LED驱动器的特性及工作原理。该器件具有I2C串行接口,可驱动8位共阴级数码管或64只独立LED和64个按键。给出了ZLG7290与单片机P89LPC932的接口技术,及ZLG7290在智能仪表面板接口设计中的应用实例。
The characteristics,principles of I^2C bus interface keyboard and LED drivers ZLG7290 and its application in intelligent instrument panel interface design are introduced.I^2C bus can drive 8 bits LED common cathode,and can also drive 64 LEDs and keys which were unattached.The interfacing technique between ZLG7290 I^2C interface keyboard and LED driver and sigle chip P89LPC932 are giv- en,and the application of ZLG7290 in intelligent instrument panel interface is also shown.
出处
《国外电子元器件》
2006年第10期51-53,共3页
International Electronic Elements
