主要介绍光栅ppi显示器系统组成及图形控制电路的原理及其设计思想、芯片功能、电路及今后的发展趋势等。
This paper describes the composition of raster PPI display, the principle and design considerations of graphics control circuit, functions of chips, the circuit and its tendency.
TL 1451 A芯片是一种适合DC - AC逆变器控制的开关芯片，本文介绍了TL 1451 A芯片的特点和功能，并且把它应用在液晶显示器的背光源逆变器中。
The chip TL1451A is a chip of switch about controlling DC-AC inverter, the features and functions of chip TL1451A is introduced, is applied to the inverter of back light in LCD.
介绍了该芯片的结构、性能、特点，并分析了它与外围器件的SPI接口设计方法，给出了用SPI接口控制4位显示器的实例。
The article introduces its structure, property, feature and analyzes the design method of it and SPI. The present application note describes an example of controlling a 4-bit LED using SPI.
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