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Design on A CPLD-based High-speed Serial Data Transmission Circuitry for Inter-boards of Downhole Tool
Author(s): 
Pages: 177-179
Year: Issue:  2
Journal: WELL LOGGING TECHNOLOGY

Keyword:  测井仪器串行总线数据传输复杂可编程逻辑器件(CPLD)电路设计;
Abstract: 设计了一种井下板间高速串行数据传输总线电路,其发送与接收控制器均用复杂可编程逻辑器件(CPLD)实现,传输速率为5 Mbit/s,传输过程不需要井下控制CPU的干预.电路结构紧凑,控制灵活,适合于井下仪器各分系统内部的板间数据高速传输,可在保证较高通讯带宽的前提下,大大减少连线,显著提高系统的电磁兼容性能.
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