The design of digital control system includes DSP interrupt service routine and CPLD logic control.
数字控制系统软件设计，包括DSP中断服务子程序和CPLD逻辑控制。
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。
The principal of imaging system is introduced. Three parts is expounded in details, such as construction of acquisition part, control logic of FPGA, DSP control and Interrupt respond.
在介绍了系统组成原理的基础上， 详细讨论了采集部分的结构和FPGA 的控制逻辑， DSP 响应中断实现数据转移和存储。
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