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GRSPW Datasheet(PDF) 1 Page - Actel Corporation |
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GRSPW Datasheet(HTML) 1 Page - Actel Corporation |
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1 / 48 page  Copyright Aeroflex Gaisler AB December 2008, Version 1.0.2 SpaceWire CODEC with RMAP GRSPW / GRSPW-FT CompanionCore Data Sheet GAISLER Features • Full implementation of SpaceWire standard ECSS-E-ST-50-12C • Protocol ID extension ECSS-E-ST-50-11C • RMAP protocol ECSS-E-ST-50-11C • AMBA AHB back-end with DMA • Descriptor-based autonomous multi-packet transfer • SEU protection and fault-tolerance • Low area and high transfer frequency • 100 Mbit/s data transfer on Actel RTAX • Support for Fusion, IGLOO, RT-ProASIC3/E, Axcelerator and RTAX-S Product Families Description The GRSPW core implements a SpaceWire Codec with RMAP support and AMBATM host interface. The core implements the SpaceWire standard with the protocol identification extension and RMAP protocol draft. Receive and transmit data is autonomously transferred between the SpaceWire Codec and the AMBA AHB bus using DMA transfers. Through the use of receive and transmit descriptors, multiple SpaceWire packets can be received and transmitted without processor involvement. The GRSPW control registers are accessed through an APB interface. Applications The fault tolerant design of the SpaceWire core in combination with the radiation tolerant Actel FPGA gives total immunity to radiation effects and makes it well suited for space applications. Transmitter Receiver D S S D RxClock Recovery TxClk RxClock AHB Master Interface Transmitter FIFO N-Char FIFO LinkInterface FSM AHB clock domain Tx clock domain Rx clock domain Data Parallelization Receiver AHB FIFO Transmitter DMA Engine Registers APB Interface Receiver DMA Engine Send FSM RMAP Receiver RMAP Transmitter |
Similar Part No. - GRSPW |
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Similar Description - GRSPW |
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