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# fmc-dio-5chttla FMC 5-channel Digital I/O module
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The *fmc-dio-5chttla* 5-channel digital I/O module is a simple board for
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digital I/O on LEMO connectors.
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It has been designed for testing White Rabbit functionality as part of
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the SPEC Demonstration Package for White Rabbit
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([manual](https://www.ohwr.org/project/spec/uploads/cecd5d18256f5ac94f7f2207c7e777bc/spec-demo-2011-09-02.pdf)),
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and it can be used for other general purpose applications
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too.
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![](/project/fmc-dio-5chttla/uploads/5c9dc77883dff05bd8cdc352ee220fc2/photo_v2_small.jpg)
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## Functional specifications
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- 5 input/output ports with independently programmable direction (Lemo
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00 connectors).
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- Output levels: LVTTL, capable of driving +2.5 V over a 50-Ohm load.
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At power-up the outputs are in Hi-Z state.
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- Input levels: any logic standard from Vih = 1 V to Vih = 5 V
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(programmable threshold).
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- Output Rise/fall times: max. 2 ns.
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- I/O bandwidth: 200 MHz.
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- Programmable 50-Ohm input termination in each channel.
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- LVDS I/O on the carrier side.
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- One of the inputs is capable of driving a global clock net in the
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carrier's FPGA.
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- Inputs and outputs protected against +15V pulses with a pulse width
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of up to 10us @ 50Hz.
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- 4-layer
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PCB
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## Block diagram
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![](/project/fmc-dio-5chttla/uploads/2d0b0f455ea9fd3936c518b4d07a6173/block_diagram.jpg)
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-----
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## Project information
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- Official production documentation: [EDMS
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EDA-02408](https://edms.cern.ch/nav/EDA-02408)
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- [Notes on the hardware design](https://www.ohwr.org/project/fmc-dio-5chttla/wikis/Documents/Note-on-the-DIO-hardware-design)
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- [Software](Software)
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- [Frequently Asked Questions](FAQ)
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- [Users](Users)
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-----
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## Contacts
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### Commercial producers
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- [FMC DIO - FMC 5-channel Digital I/O
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module](http://www.sevensols.com/index.php?seccion=1410&subseccion=1436)
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[Seven
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Solutions](http://www.sevensols.com/index.php?seccion=262&subseccion=1422&lang=en),
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Spain
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- [FMC DIO 5ch TTL
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a](http://creotech.pl/product-scientific/fmc-dio-5chttla)
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[Creotech](http://creotech.pl/), Poland
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- [fmc
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dio 5chttla](http://www.incaacomputers.com/component/resource/article/Products/Products%20by%20application/6-Scientific/185-fmc-dio-5chttla)
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[INCAA Computers](http://incaacomputers.nl), Netherlands.
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### Project
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- [Erik van der Bij](mailto:Erik.van.der.Bij@cern.ch) - CERN - General
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question about project
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- Tom Wlostowski - CERN - Designer
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-----
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## Project Status
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<table>
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<tbody>
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<tr class="odd">
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<td><strong>Date</strong></td>
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<td><b> Event </b></td>
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</tr>
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<tr class="even">
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<td>27-05-2011</td>
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<td>Start of brainstorming.</td>
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</tr>
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<tr class="odd">
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<td>19-07-2011</td>
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<td>Five cards built. Has some bugs.</td>
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</tr>
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<tr class="even">
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<td>20-09-2011</td>
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<td>Updated schematics in SVN. Will pass through CERN's design office.</td>
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</tr>
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<tr class="odd">
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<td>12-10-2011</td>
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<td>Production documentation available in EDMS. Project closed.</td>
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</tr>
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<tr class="even">
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<td>07-11-2011</td>
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<td>Seven Solutions will produce and commercialise the cards.</td>
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</tr>
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<tr class="odd">
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<td>16-12-2011</td>
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<td>Order placed for production test software writing.</td>
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</tr>
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<tr class="even">
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<td>24-02-2012</td>
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<td>Seven Solutions will deliver 5 cards 2nd week of March. Production test program will be written in March.</td>
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</tr>
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<tr class="odd">
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<td>20-03-2012</td>
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<td>Two IC's in design V1-0 are of <a href="https://www.ohwr.org/project/fmc-dio-5chttla/issues/13">wrong type</a>. Will create a new version. No PCB change required.</td>
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</tr>
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<tr class="even">
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<td>13-04-2012</td>
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<td>First version of Production test program written and documented in [PTS project](https://www.ohwr.org/project/pts/tree/master/test/fmcdio5chttla).</td>
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</tr>
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<tr class="odd">
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<td>13-04-2012</td>
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<td>Order for 10 V1 modules placed.</td>
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</tr>
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<tr class="even">
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<td>15-08-2012</td>
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<td>V2-0 design being made to solve known Issues. V1-2 solves <a href="https://www.ohwr.org/project/fmc-dio-5chttla/issues/10">issue 487</a>.<br />
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Removed "withstands output shorted" spec: it works but is out of spec of driver IC.</td>
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</tr>
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<tr class="odd">
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<td>13-09-2012</td>
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<td>Delivery of 10 V1 modules will be shipped to CERN.</td>
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</tr>
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<tr class="even">
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<td>25-10-2012</td>
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<td><a href="Review20121025">Review</a> of V2-0.</td>
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</tr>
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<tr class="odd">
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<td>26-06-2014</td>
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<td>A new version of the PTS test program exists that loads the EEPROM with SDB data. Please contact us for info.</td>
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</tr>
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</tbody>
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</table>
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-----
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Tom Wlostowski, Erik van der Bij - 9 February 2015
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