摘要
介绍一种用8031(8051)串口，联级新型的共阴极驱动芯片— —MAX7219霓虹灯扫描控制器。着重论述了该芯片的硬件特点、使用方法及软件编制方法， 给出了用该芯片驱动多点霓虹灯变压器的实例。
A new common cathode drive chip-MAX 7219 neon li ght scanning controller cascaded through a serial port 8031(8051)is presented.Th e hardware features and use as well as software programming of the chip are give n more description,and an example that the chip is used to drive multiple transf ormers of neon lights is provided.
出处
《电脑开发与应用》
2000年第8期34-35,共2页
Computer Development & Applications
关键词
霓虹灯扫描控制器
硬件电路
单片机
程序存储器
scan control,software design,circuit desi gn,common cathode drive chip,cascade
