主要特点
48 ttl digital i/o lines
48位ttl数字量i/o
emulates mode 0 of 8255 ppi
中断处理
buffered circuits for higher driving capacity than 8255
仿真8255ppi模式0
interrupt handling
提供比8255更高的驱动能力缓冲电路
timer/counter interrupt capability
输出状态回读
supports both dry and wet contact
keeps the i/o port setting and do state after system reset
内容介绍
pci-1751是一款基于pci总线的48位数字量i/o卡.其48位被分为6个8位的i/o端口,用户可以通过软件对每个端口进行配置.pci-1751
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