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## Project Description
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CRIO-WR is a standalone White Rabbit node implementation in the form
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factor of a National Instruments CompactRIO module. The module complies
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with NI CompactRIO specification (exceptions see below).
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CRIO-WR is a standalone [White Rabbit
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(WR)](https://www.ohwr.org/project/white-rabbit/wiki) node
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implementation in the form factor of a National Instruments CompactRIO
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module. The module complies with NI CompactRIO specification (exceptions
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see below).
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https://www.ohwr.org/3300
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*CRIO-WR 1.0 production board**
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https://www.ohwr.org/3300
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*CRIO-WR module
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prototype**
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## Block Diagram
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https://www.ohwr.org/3300
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![](/uploads/53e483d47e3d91b35f5ae1b607fcaa3b/crio-wr_1_00_block_diagram.png)
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The connector at the front panel provides 10 user I/O, connected
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directly to the FPGA (i.e. programmable as input / output, LVDS / CMOS,
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SERDES etc.). The CRIO-WR module is connected over SPI to the CRIO
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SERDES etc.). The module is connected over SPI to the CompactRIO
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backplane/chassis/controller. The functionality in Labview is to read
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the status of a [White Rabbit (WR)
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link](https://www.ohwr.org/project/white-rabbit/wiki) /
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