fmc-dio-5chttla FMC 5-channel Digital I/O module
The fmc-dio-5chttla 5-channel digital I/O module is a simple board for
digital I/O on LEMO connectors.
It has been designed for testing White Rabbit functionality as part of
the SPEC Demonstration Package for White Rabbit
(manual),
and it can be used for other general purpose applications too.
dio_small.jpg
Functional specifications
- 5 input/output ports (Lemo 00 connectors)
- Output levels: LVTTL, capable of driving +3.3 V over a 50-Ohm load. At power-up the outputs should be in Hi-Z state
- Input levels: any logic standard from Vih = 1 V to Vih = 5 V (programmable threshold)
- Output Rise/fall times: max. 2 ns
- Input bandwidth: min. 200 MHz
- Programmable 50-Ohm input termination in each channel
- LVDS I/O on the carrier side
- One of the inputs shall be capable of driving a global clock net in the carrier's FPGA
- Inputs need to be protected against +15V pulses with a pulse width of at least 10us @ 50Hz (with protection diodes if possible)
- Withstands a continuous short-circuit on all the outputs at the same time (see Issue 491)
Block diagram
Project information
- Official production documentation: EDMS EDA-02408
- Software
Contacts
Commercial producers
- Seven Solutions, Spain
- FMC DIO 5ch TTL a Creotech, Poland
- INCAA Computers, Netherlands.
General question about project
- Erik van der Bij - CERN
Project Status
Date | Event |
27-05-2011 | Start of brainstorming. |
19-07-2011 | Five cards built. Has some bugs. |
20-09-2011 | Updated schematics in SVN. Will pass through CERN's design office. |
12-10-2011 | Production documentation available in EDMS. Project closed. |
07-11-2011 | Seven Solutions will produce and commercialise the cards. |
16-12-2011 | Order placed for production test software writing. |
24-02-2012 | Seven Solutions will deliver 5 cards 2nd week of March. Production test program will be written in March. |
20-03-2012 | Two IC's in design V1-0 are of wrong type. Will create a new version. No PCB change required. |
13-04-2012 | First version of Production test program written and documented in PTS project. |
Tom Wlostowski, Erik van der Bij - 25 June 2012