传统的多路寻址液晶驱动矩阵电路设计规模与矩阵阶数平方成正比。

The design scale of traditional driving matrix of MLA-LCD is in proportion to square of matrix dimension.

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系统的硬件部分是数据采集卡，数据采集卡在功能上分为FPGA，模拟采样和液晶驱动及控制三个组成部分。

The hardware of system is the data acquisition equipment (DAQ), DAQ includes three main functional modules: FPGA, analog sampling and LCD controlling.

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第四章详细介绍了税控收款机主板的硬件设计，主板包括CPU、LCD液晶驱动、FLASH、串口等常用的外设。

The forth chapter introduces the mainboard's hardware design of tax controlled receiver. The mainboard contains common facility, such as CPU, LCD drive, FLASH, serial interface , and so on.

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