Additional Latency Across MXI-3 and MXI-4 Connections Hardware: VXI/VME/MXI>>MXI Interfaces
Problem: What is the additional latency introduced as a result of a MXI connection? Solution: Intrinsic latency for the MXI interface boards (independent of a system) is as follows: MXI-3: Approximately 1.8 µs MXI-4: Approximately 2.0 µs However, when you add these cards into a system, you introduce more latency into the transfer. National Instruments has tested two different types of computers with MXI-3/MXI-4 and found the total latency to be around 3.05 µs for one system and around 3.8 µs for the other. Related Links: Products & Services: PC Control of PXI Attachments:
Report Date: 03/02/2005 Last Updated: 03/14/2006 Document ID: 3J1CR4Z6 |
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