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ＡＹ０４３８是采用串行输入结构的３２段ＬＣＤ驱动芯片，内含振荡器，仅需３条线就可实现与微处理器的接口，ＡＹ０４３８还可级连以驱动６４段、９６段ＬＣＤ。本文介绍其工作原理、性能参数及典型应用
The AY0438 is a 32-segment LCD driver with a serial input structure that includes an oscillator. Only three lines are required to interface with the microprocessor. The AY0438 can also be cascaded to drive 64-segment, 96-segment LCDs. This article describes its working principle, performance parameters and typical applications