This paper describes the main function, technology and test of L82C37A programmable DMA controller. It also shortly introduces basic circuit and design method.
叙述了L82C37A可编程DMA控制器的主要功能、制造工艺和测试，并对其基本电路及设计方法进行了简要介绍。
It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.
其内部主要由DMA控制器(82c37)、中断控制器(82c59)、可编程间隔计时器(82c54)，DRAM刷新控制器，等待状态产生器，系统重置电路组成。
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