第一次进入登录与回报用户，应用程序的存储器存储？
Entering login first time vs return user, storing in app memory?
在硬件设计主要介绍系统组成中的外部存储器模块与视频输入输出模块，介绍了使用片上支持库编写DM642中视频驱动程序的方法，以及编写过程中DM642中断和直接存储器存取（DMA）的应用；
The hardware chapter introduces the external memory module and video I/O module, programs video-driver for the DM642 by using CSL, discuss the applications of interrupt and direct memory access (DMA).
在应用程序中开辟了两个缓冲区，交替与传输卡上先进先出存储器（FIFO）通信，实现了主机到外设之间高速无间断数据传输；
In the design of application software, two buffers A and B were used to communicate with the FIFO on the card alternately. Thus the high speed continuous data transmission was achieved.
基于TI公司的高速数字信号处理器芯片，详细描述美国SST公司推出的2 8SF0 40闪存芯片的性能特点、引脚功能，同时给出用其扩展DSP芯片的程序存储器空间的硬件设计电路与软件编程方法。
The features and pin description are presented in this paper by SST corporation and the high speed digital signal processor made in TI. The connection and procedure of 28SF040 and DSP are also given.
基于TI公司的高速数字信号处理器芯片，详细描述美国SST公司推出的2 8SF0 40闪存芯片的性能特点、引脚功能，同时给出用其扩展DSP芯片的程序存储器空间的硬件设计电路与软件编程方法。
The features and pin description are presented in this paper by SST corporation and the high speed digital signal processor made in TI. The connection and procedure of 28SF040 and DSP are also given.
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