This thesis introduces the design of I/O module taking RTD module as an example.
本文以热电阻模块为例，介绍了I/O模块的设计开发。
The I/O module was also designed to provide high-level instruction set, which greatly simplified the I/O operation of RF IC cards.
模块设计有用户高级读写指令，极大地简化了应用系统对射频卡的操作；
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；
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