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Available
The GRHSSL IP Core is a versatile and highly configurable high-speed serial link controller written in VHDL, capable of implementing a SpaceFibre IP Core (GRSPFI), a WizardLink IP Core (GRWIZL), or both within a single solution.
GRHSSL is a highly configurable IP that can instantiate a SpaceFibre controller, a WizardLink controller or both. Both controllers share a DMA engine that handles the communication between the IP and external memory via hardware descriptors. GRHSSL shall be connected to a SerDes macro, that can be located either on-chip or externally. Adapters for AMBA AHB 2.0 and AXI 4 are available.
Additionally, the SpaceWire router can be integrated with the SpaceFibre controller. SpaceFibre ports can be connected to the internal FIFO ports of the SpaceWire router to bridge between SpaceWire and SpaceFibre traffic. SpaceWire data from/to multiple payloads can be aggregated in a single SpaceFibre High Speed Serial Link, all without software intervention.
GRHSSL can be synthesized with common commercial synthesis tools. The IP model is highly configurable and portable between different implementation technologies, for both FPGA and ASIC. Example designs for Xilinx and Lattice FPGA evaluation boards are readily available.
The IP can be implemented in any ASIC or FPGA technology. For specific information related to Xilinx, Microchip, and Lattice FPGAs, please refer to our dedicated web pages:
Estimation of the resource utilization can be found here: Excel sheet for SoC area estimation
The IP core is available as a separate package or as an addition to commercial versions of the GRLIB VHDL library. Contact sales@gaisler.com for licensing information
We are currently developing software drivers for bare-metal and Linux applications. Contact support@gaisler.com for more information
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Data sheet and user's manual
2024.2
2024-07-15
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WizardLink is a line of transceivers produced by Texas Instruments. One of the products in this line, the TLK2711, commonly used in space applications, follows a basic protocol that includes 8b/10b encoding, serialization/deserialization, comma detection and alignment, and error codes for loss of signal
SpaceFibre is a high-speed fiber optic technology that is compatible with the widely-used SpaceWire protocol and offers even faster data rates. With a capability of up to 6.25 Gbps and beyond per lane, SpaceFibre can provide up to 15 times the data rate of SpaceWire. In addition to its impressive speed, SpaceFibre also includes built-in fault detection and recovery, as well as deterministic communication mechanisms, ensuring reliable and consistent data transmission. SpaceFibre can be used with both copper and optical fibers, and offers significant reductions in harness size compared to SpaceWire, with a 50% reduction when using optical fibers and over 90% when comparing data transfer per bit.
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