Atmel SpaceWire Router SpW-10X - Manual (Page 14)

Ref.: UoD_SpW-10X_
UserManual
Issue: 3.4
SpW-10X
SpaceWire Router
User Manual Date: 11 th
July 2008
Preliminary
14
1. INTRODUCTION
This document is a technical reference for the implementation and operation of the SpW-10X
SpaceWire Router device (Atmel part number AT7910E).
Note: Detailed timing information for the ASIC implementation will be available in 1Q08.
1.1 TERMS, ACRONYMS AND ABBREVIATIONS
3V3 3.3 volt interface levels.
AAe Austrian Aerospace GmbH
ACK Acknowledge
AD Applicable Document
CLK Clock (Input clock to the SpaceWire router)
CRC Cyclic Redundancy Check
DC Direct Current
ECSS European Cooperation for Space Standarization
EEP Error end of packet, used to denote an error occurred during packet transfer
EOP End of packet used to denote a normal end of packet in SpaceWire
FIFO First in - First out buffer used to transfer data between logic
FPGA Field Programmable Gate Array
GND Ground
LVDS Low voltage differential signalling
NACK Negative acknowledge (error acknowledge)
PLL Phase Locked Loop
RD Read
RMAP Remote Memory Access Protocol
RST Asynchronous reset to the SpaceWire router
SpW SpaceWire
TBA To be advised
TBC To be confirmed
UoD University of Dundee