ESA HDL IP Cores Portfolio Overview
All the listed IP Cores are available in synthesizable VHDL with the exception of the RT53EU, which is available in generic technology netlist format. For more information about the IP ...
01 DEC. 2006
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5944
Megtekintések
Synthesizable VHDL core implementing the SpaceWire Codec (including testbenches).
Overview
The SpaceWire-b (SpW-b) CODEC is a high speed serial transmitter/receiver compliant with the SpaceWire standard.
The SpaceWire CODEC is responsible for making a connection with the SpaceWire interface at the other end of a link and managing the flow of N-char across the link.
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The interface transmits and receives SpaceWire characters which can be link characters (L-Char) or normal characters (N-char).
L-Chars are characters that are used to manage the flow of N-char across a link (NULL & FCT).
N-chars are the characters that are used to pass information across the link (N-char characters, EOP, EEP and TIMECODEs).
Area/Speed Results
Actel RTAX1000S
(For a non ddr configuration with one system clock and one receive clock)
Total cells : 1158 of 18144 (6.38%)
Combinatorial cells : 739 of 12096 (6.11%)
Sequential cells : 419 of 6048 (6.93%)
SYSCLK = 65 MHz
RX_CLK = 90 MHz
Developer
Chris McClements, University of Dundee, 2003
Current Release
version 2.3, 01-Apr-2009
For a history of bug reports and fixes, modifications, upgrades, etc, please refer to the SpaceWire-b IP Core Release Notes.
An application note describing the complete design flow for implementating the SpaceWire-b CODEC in an Actel RTAX FPGA, along with the complete design database, is also available to licensed users upon request.
Special licensing restrictions
ESA can grant licenses for the use of the SpaceWire-b IP core only for activities funded by the Agency (ESA projects).
The IP core also incorporates the IEEE 1355 High Performance Serial Bus Std (Data/Strobe interface) patented by STMicroelectronics, so an appropriate STMicroelectronics patent notice must be included in the licenses and the final products.
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Licensing
ESA IP cores can generally be licensed to be usedin the frame of ESA contracts, orfor privately-funded activities.Depending on the particular IP core needed, restrictions on its usage might be present, so please refer to the web pages dedicated to each individual ESA IP core for more details.In any case, the procedure for requesting and licensing ESA IP cores is the same, and the following conditions apply:Licences can only be granted to companies or institutes that provide ESA with a duly completed IP Request Form.the scope of use of the ESA IP cores is limited to peaceful purposesno warranty or technical support is provided by ESA.
User Manual (pdf)
VHDL Verification (pdf)
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