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| One integrated implementation method for 32-bit VXI bus interface circuit design |
| GAO Kun, LIU Li, WANG Le-Zi |
| Institute of Digital Technology&Advanced Instrumentation，Zhejiang University，Hangzhou 310027，China |
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Abstract With the preva[ence of 32一bit VXI(VME bus extensions for instrument)svstems and development of large—scaled programmable logical devices，the interface designs a re progressing towards integration and svnchr0nizati0n． One interface design method for 32 bit VXI register based s[ave instrument is put forward．Its main logic is described through synchronous FSM (flnite state machiBe)and implemented inside one FPGA chip．The architecture and realizing methods are discussed．The interface circuit has been verified for its high density，f[exibi[ity，high data bandwidth in many industry applications．
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Published: 15 March 2002
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一种32位VXI总线接口电路的集成化设计方法
随着大规模可编程逻辑器件的发展和高档的32位VXI仪器的普及，接口电路的设计也正向着集成化、同步化的方向发展． 由此，介绍了一种32位VXI寄存器基从者仪器接口电路的设计方法，主体控制逻辑采用了同步有限状态机(FSM)来描述．并实现在1片FPGA上．详细叙述了接口电路的设计原理、结构和实现方法．本接口电路在实际工业现场应用中得到了充分的验证，具有集成度高、适应性好、数据传输速度高等优点．
关键词：
总线,
VXI,
接口,
FPGA
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