8237可编程DMA控制器资料与程序代码

8237可编程DMA控制器资料与程序代码:核心是在AL8237的VHDL模型英特尔。 8237是4通道的DMA可编程,控制器控制存储器内存和存储器和外设的数据传输,提供块内存初始化能力。
特征
功能基于英特尔8237A设备
4个独立的DMA通道
支持额外的渠道
单座或需求模式转移
独立的自动初始化的所有通道
固定或旋转通道优先
包括直接位设置/复位功能
The AL8237 core is the VHDL model of the Intel. 8237 4 channel programmable DMA
controller which controls memory-to-memory and memory-to-peripheral data transfers and
provides block memory initialization capability.
Features
· Functionally based on the Intel 8237A device
· Four independent DMA channels
· Support for extra channels
· Single, block or demand mode transfers
· Independent auto-initialization of all channels
· Fixed or rotating channel priority
· Includes direct bit set/reset capability

The AL8237 core is the VHDL model of the Intel™ 8237 4 channel programmable DMA
controller which controls memory-to-memory and memory-to-peripheral data transfers and
provides block memory initialization capability.