This paper presents a new intelligent keyboard and display controller WH8280 and a keyboard and display control interface circuit of based on this chip.
介绍了一种新型智能键盘显示控制器WH8280和基于该芯片的单片机键盘显示控制接口电路。
The keyboard was connected to parallel interface chip 8255A, with the interruptive intercross structure.
采用中断二维直读键盘结构，与并行接口芯片8255A接口；
Calculator chip is a typical kind of digital large scale integrated circuit. It consists of microprocessor and peripheral display diver and keyboard interface circuit.
电子计算器是一种典型的大规模数字集成电路，主要由微处理器和外围的显示电路、键盘接口电路等组合而成。
Calculator chip is a typical kind of digital large scale integrated circuit. It consists of microprocessor and peripheral display diver and keyboard interface circuit.
电子计算器是一种典型的大规模数字集成电路，主要由微处理器和外围的显示电路、键盘接口电路等组合而成。
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