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CRIO-WR is a standalone [White
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Rabbit](https://www.ohwr.org/project/white-rabbit/wiki) node
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implementation on a PCB with a form factor suitable for National
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Instruments CompactRIO modules.
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implementation on a PCB with a form factor for National Instruments
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CompactRIO modules.
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The board is originally derived from and keeps maximum firmware
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compatibly with the established boards
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[SPEC](https://www.ohwr.org/project/spec/wiki) and
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## Main Features
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- WR Node in CRIO format
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- Standalone WR operation (grand-master, master or slave)
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- WR node in CompactRIO format
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- Complies with most NI CompactRIO specifications ****
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- Standalone WR operation (GrandMaster, Master or Slave)
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- 10 MHz and PPS inputs / outputs
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- 6-layer PCB
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- On-board power supply
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- 5 V input (cRIO)
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- 5 V input from CompactRIO carrier
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- 3.3 V and 1.2 V output
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- Sleep mode
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- Clocking resources
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... | ... | @@ -65,14 +66,16 @@ Core](https://www.ohwr.org/project/wr-cores/wikis/Wrpc-core) plus the |
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required hardware to implement a standalone WR node (see also [White
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Rabbit Node Reference
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Design](https://www.ohwr.org/project/white-rabbit/wikis/WRReferenceDesign)
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for more information). The backplane connector, a dedicated power supply
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with sleep-mode, a separate EEPROM for module identification parameters
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and an SPI plus some glue logic in the FPGA's CRIO User Core are used
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for CompactRIO functionality. The connector at the front panel provides
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10 user I/O signals, each protected by a TVS. The I/Os are programmable
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depending on the application requirements (input / output, 3.3V / LVDS,
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ISERDES2, OSERDES2, IODELAY2 etc.). The 4 LEDs at the front panel are
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user programmable, e.g. as status
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for more information).
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The backplane connector, a dedicated power supply with sleep-mode, a
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separate EEPROM for module identification parameters and an SPI plus
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some glue logic in the FPGA's CRIO User Core are used for CompactRIO
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functionality. The connector at the front panel provides 10 user I/O
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signals, each protected by a TVS. The I/Os are programmable depending on
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the application requirements (input / output, 3.3V / LVDS, ISERDES2,
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OSERDES2, IODELAY2 etc.). The 4 LEDs at the front panel are user
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programmable, e.g. as status
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indicators.
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[![](/uploads/53e483d47e3d91b35f5ae1b607fcaa3b/crio-wr_1_00_block_diagram.png)](/uploads/30b9dc18e593dc432d6704a05cc10305/crio-wr_1_00_block_diagram_large.png)
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<!-- end list -->
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- Altium project
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file:
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files:
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https://www.ohwr.org/project/crio-wr/uploads/23e9352eaa893c6c42c2f3ddd33b6535/crio-wr_1_01_altium.zip
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*A LabVIEW driver is currently under development. The functionality in
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LabVIEW is for example:**
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*A LabVIEW driver is currently under development:**
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- Read / write module identification parameters
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- Read status of WR-link
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<td>TBD</td>
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</tr>
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<tr class="even">
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<td>Operating power</td>
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<td>Operating power (85 ºC rated components)</td>
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<td><= 0.625 W</td>
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<td>2.4 W</td>
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</tr>
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</tbody>
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</table>
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First tests at room temperature showed no issues (CRIO-WR master with
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CRIO-WR slave), after 8 hours of constant operation the internal module
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ambient temperature is 45°C.
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-----
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## Releases
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</tr>
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<tr class="even">
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<td>07-07-2014</td>
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<td>WRPC grand-master, master and slave functional (CRIO-WR / CRIO-WR)</td>
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<td>WRPC mode GrandMaster, Master and Slave functional (CRIO-WR / CRIO-WR)</td>
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</tr>
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<tr class="odd">
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<td>14-07-2014</td>
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