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Mezzanine Carrier VXI NM-M

Mezzanine Carrier VXI NM-M
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NM-M - the carrier of mezzanine modules in the VXI standard. NM-M ensures the functioning of various modules installed in it, made in the form of mezzanines. NM-M is intended for use as a mezzanine carrier in multichannel systems for collecting / issuing information of both digital and analog form. The carrier of the NM-M mezzanine modules is used as part of information measuring systems based on the VXIbus trunk. It is made on a size C board in accordance with the requirements of the IEEE Std 1155-1992 standard.






Number of installed mezzanines
up to 4
Launch of mezzanine functioning modes
  • programmatically
  • on the signals "TTLTRG" coming from the VXI trunk;
  • by the “Start NM” signal from the mezzanine (asynchronous operation mode)
Mezzanine sharing interface
  • management interface - configuration and monitoring of the mezzanine state
  • data interface - reading mezzanine measurement results in RAM, outputting data arrays from RAM to output mezzanines
Management Interface Features
  • the number of bits of the control bus - 16 bits;
  • the number of bits of the address bus - 5 bits;
  • recording cycle duration - from 160 to 187 ns;
  • minimum reading cycle time 160 ns
Methods for controlling the processes of exchange with mezzanines
  • control the sequence of arrival of words from - mezzanine;
  • контроль по сигналам «DATA_VALID» и «EMPTY»
Device sharing modes with mezzanines
  • synchronous;
  • asynchronous
The ability to read current data with timestamps at any time without interrupting the process of the device
Yes
The presence of memory type SDRAM
yes, 256 MB
Voltage and current limits for each footprint
  • 5 B, 1 A;
  • -5.2 V, 2 A;
  • ± 12 B, 0.375 A;
  • ± 24 V, 0.375 A;
Self control mode
Yes
Mezzanine Carrier VXI NM-M