针对煤矿、机场等特殊工业现场，设计了一种基于复杂可编程逻辑器件(CPLD)和光模块的光纤现场总线通讯系统。
A fiber field-bus communication system based on complex programmable logic devices (CPLD) and optical transceiver was designed for some special industrial fields such as colliery and airfields.
MAX7000器件支持在系统可编程能力（ISP），可以在现场轻松进行重配置。
MAX7000 devices support in-system programmability (ISP) and can be easily reconfigured in the field.
给出了一种以现场可编程门阵列（FPGA）器件为核心的高精度时间同步系统。
The precise time synchronizing system in which the core processor is FPGA, is analyzed in this paper.
应用推荐