在硬件上介绍了RTL8019AS网卡芯片的硬件结构和内部存储器结构，以及其收发数据包的方法。
It also introduce the hardware structure, the memory structure and the method of receiving and delivering datum bundle of RTL8019AS chip.
分析了SDRAM芯片(MT 48lc16 M 16a2tg- 75it)的结构和工作原理，确定了内存sdram控制器的内部结构和工作流程，完成了内存sdram控制器的控制通路和数据通路设计。
Structure and work principle of SDRAM chip (MT48LC16M16A2TG-75IT) is analyzed. Internal architecture and workflow of SDRAM controller is confirmed. Furthermore, its control and data path is designed.
DMA控制器可以无需CPU介入而在内部存储器、外部存储器和芯片外设之间传送数据，其在DSP系统中有广泛的应用价值。
The DMA controller can transmit data among the interior memorizer, exterior memorizer and chip peripheral without the CPU intervention. It has comprehensive application value in the DSP system.
芯片内部主要包括数字控制器，显示数据存取器，DC - DC电压转换器，参考电流产生器，电压预充电路产生器，64个行驱动电路和132个列驱动电路。
It consists of a digital controller, SRAM for display data memory, a DC-DC voltage converter, reference current generators, a pre-charge voltage generator, 64 common drivers, and 132 segment drivers.
最后还谈到了IDT7133芯片内部的数据存储方式，为该方案在现实中的合理运用提供了保证。
Data storage method inside IDT7133 is fully described so as to ensure proper practical application.
之后文章对多层交换芯片BCM5615的交换结构、内部各个功能模块的原理实现以及芯片中的二、三层数据流程作了比较详细的分析。
In the later part of the thesis, detailed analysis is made for the realization principles of the switching structure and internal function modules of multiplayer. switching chip BCM5615.
之后文章对多层交换芯片BCM5615的交换结构、内部各个功能模块的原理实现以及芯片中的二、三层数据流程作了比较详细的分析。
In the later part of the thesis, detailed analysis is made for the realization principles of the switching structure and internal function modules of multiplayer. switching chip BCM5615.
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