Atmel SpW-10X - Manual

Atmel SpW-10X

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Table of Contents:

  • Page 2 – UserManual; SpaceWire Router; User Manual; Document Change log; Date
  • Page 4 – CONTENTS; II
  • Page 10 – LIST OF FIGURES; LVDS
  • Page 11 – GAR
  • Page 12 – RMAP
  • Page 16 – SpaceWire Ten X
  • Page 17 – Figure 2-2 Node Interface
  • Page 18 – Figure 2-3 Embedded Router; EXPANDING THE NUMBER OF ROUTER PORTS
  • Page 21 – Eight SpaceWire bi-directional serial ports.
  • Page 22 – Figure 3-1 SpaceWire router block diagram
  • Page 23 – CONFIGURATION PORT
  • Page 25 – Pin Signal
  • Page 32 – In; SPACEWIRE SIGNALS
  • Page 33 – Table 5-2 Data and Strobe SpaceWire Signals
  • Page 35 – SpaceWire Input Fail Safe Resistors; Disconnected; Figure 5-1 LVDS Receiver Fail-Safe Resistors; The current generator, I
  • Page 37 – Operation with 5V Powered LVDS Devices; Out Output data from external port number one
  • Page 38 – Bits
  • Page 39 – PinNo Signal Dir
  • Page 41 – STATUS INTERFACE SIGNALS
  • Page 42 – is de-asserted. To make sure that the POR; RESET CONFIGURATION SIGNALS
  • Page 44 – WARNING
  • Page 46 – Figure 5-3 PLL with external components; The PLL loop filter component values to be used are
  • Page 47 – EXTERNAL PORT INTERFACE OPERATION; Figure 6-1 External port write timing specification
  • Page 48 – Figure 6-2 External port read timing specification
  • Page 49 – STATUS INTERFACE OPERATION; Figure 6-6 Status Multiplexer output interface
  • Page 51 – RESET CONFIGURATION INTERFACE OPERATION; Figure 6-7 Reset configuration interface timing specification
  • Page 52 – PACKET ADDRESSES; Table 7-1 Packet Address Mapping
  • Page 53 – Table 7-2 Packet Priority Mapping; PACKET HEADER DELETION
  • Page 54 – Table 7-3 Packet Header Deletion Mapping; INVALID ADDRESSES
  • Page 55 – Figure 7-1 Normal router data packets; Configuration read packets are in the form:; Figure 7-2 Command Packet Format
  • Page 56 – Not used
  • Page 57 – Table 7-5 Read Single Address Characteristics; Figure 7-3 Read Single Address Command Format
  • Page 58 – Table 7-6 Read Single Address Command Packet Fields
  • Page 59 – Figure 7-4 Read Single Address Reply Packet Format
  • Page 61 – Table 7-8 Read Incrementing Address Characteristics
  • Page 62 – Figure 7-5 Read Incrementing Address Command Format
  • Page 64 – Figure 7-6 Read Incrementing Address Reply Packet Format
  • Page 67 – Packet
  • Page 69 – Field Description
  • Page 70 – Table 7-14 Write Command Characteristics
  • Page 71 – Figure 7-10 Write Single Address Command Packet
  • Page 73 – Figure 7-11 Write Single Address Reply Packet
  • Page 76 – Command Packet Cyclic Redundancy Check
  • Page 77 – None
  • Page 78 – Figure 7-12 Source Path Address field decoding
  • Page 79 – SPACEWIRE LINK CONTROL
  • Page 81 – Figure 8-1 Deactivate driver operating mode
  • Page 82 – Setting the SpaceWire port transmit data rate
  • Page 83 – Table 8-1 Setting SpaceWire Transmit Data Rate
  • Page 84 – GLOBAL SPACEWIRE LINK CONTROL
  • Page 85 – Figure 8-4 Start on Request mode
  • Page 86 – Figure 8-5 Disable on Silence mode; CONTROL LOGIC AND ROUTING
  • Page 87 – Figure 8-6 Arbitration of two packets with matching priority.
  • Page 88 – Figure 8-7 Arbitration of three packets with matching priority
  • Page 89 – Figure 8-8 Arbitration of two packets with different priority (1)
  • Page 91 – Figure 8-9 Arbitration of two packets with different priority (2)
  • Page 92 – Figure 8-10 Normal group adaptive routing
  • Page 93 – Figure 8-11 Group adaptive routing when other ports busy; Figure 8-12 Group adaptive routing when ports not ready
  • Page 96 – Blocking Allowed Mode; shown by the path address 4, 5 at the head of the packet.
  • Page 97 – Watchdog timer mode
  • Page 98 – Blocking Allowed
  • Page 99 – and the packet waiting at R1-2 can be routed.; Watchdog Timer Mode
  • Page 100 – d) The packet waiting at R1 port 2 can now be routed.
  • Page 101 – If a packet arrives at an input port on the SpW-10X router and
  • Page 103 – The bit numbers of each field; INTERNAL MEMORY MAP; The memory map for the SpaceWire Router is shown in Figure 9-1.; Figure 9-1 Router Internal Memory Map
  • Page 104 – Table 9-1 Types of Register within Configuration Port; REGISTER ADDRESSES SUMMARY
  • Page 105 – Table 9-2 Configuration Register Addresses; GROUP ADAPTIVE ROUTING TABLE REGISTERS; Figure 9-2 GAR Register Fields
  • Page 106 – Table 9-3 describes each field in the GAR register.
  • Page 107 – Table 9-3 GAR Table Register Description; RESERVED
  • Page 109 – Bits Name; port
  • Page 112 – Figure 9-3 SpaceWire Port Control/Status Register Fields
  • Page 115 – Table 9-7 External Port Control/Status Fields
  • Page 116 – Figure 9-4 Network Discovery Register Fields; Device Type
  • Page 117 – Table 9-9 Router Identity Register Field; Identity; Figure 9-5 Router Control Register Fields
  • Page 120 – The error active register fields are shown in; Figure 9-6 Error Active Register Fields
  • Page 121 – Table 9-11 Error Active Register Fields; Configuration
  • Page 122 – Device Manufacturer and Chip ID Register
  • Page 123 – Figure 9-9 Time-Code Enable Register Fields
  • Page 124 – Table 9-14 Time-Code Enable Register Fields
  • Page 125 – Figure 9-10 Transmit clock control register
  • Page 127 – The destination key register fields are listed in the table below.; Table 9-16 Destination Key Register; 1 Unused Registers and Register Bits
  • Page 128 – CLOCK AND RESET TIMING PARAMETERS
  • Page 129 – EXTERNAL PORT TIMING PARAMETERS
  • Page 130 – Table 10-3 External port timing parameters; TIME-CODE INTERFACE TIMING PARAMETERS
  • Page 131 – Table 10-4 Time-code interface timing parameters; ERROR/STATUS INTERFACE TIMING PARAMETERS
  • Page 132 – Table 10-5 Status Multiplexer timing parameters; Status address change to status output change; CLK rising edge to status output
  • Page 133 – LATENCY AND JITTER; measured time may be less than indicated.; System Clock Period; Transmit Clock Period; by the user configuration); Receive Clock Period; Switching latency for the router is defined as follows
  • Page 134 – Last bit of data into receiver to external port not empty flag
  • Page 135 – Description Symbol
  • Page 136 – DC CHARACTERISTICS; Table 11-1 Operating Conditions; Supply voltage
  • Page 137 – ABSOLUTE MAXIMUM RATINGS; RELIABILITY INFORMATION
  • Page 138 – EXAMPLE CIRCUIT DIAGRAM
  • Page 140 – PCB DESIGN AND LAYOUT GUIDELINES; PCB design and layout guide lines are provided in this section.
  • Page 141 – LVDS tracks shall be 100 ohm differential impedance.
  • Page 142 – Figure 12-1 PLL Layout Recommendations; The following layout recommendations apply to the PLL circuitry.
  • Page 143 – In this section a list of anomalies and warnings is provided:
  • Page 146 – Figure 13-1 Reset Waveform
  • Page 147 – Figure 13-5 Link Disconnect Waveforms; Once all these ports have been disabled, wait for at least 10 μs.
  • Page 148 – PARITY ERROR ANOMALY; An example of this anomaly is shown in Figure 13-6.; Figure 13-6 Data after parity error anomaly
  • Page 149 – Figure 13-7 No error end of packet inserted after parity error
Loading the manual

Ref.:

UoD_SpW-10X_

UserManual

Issue:

3.4

SpW-10X

SpaceWire Router

User Manual

Date:

11

th

July 2008

Preliminary

1

SpW-10X SpaceWire Router

User Manual

Ref:

UoD_SpW-10X_UserManual

Atmel Part No.:

AT7910E

Document Revision:

Issue 3.4

Date:

11

th

July 2008

Prepared by -

Chris McClements, University of Dundee

Steve Parkes, University of Dundee

Gerald Kempf, Austrian Aerospace

Checked by -

Steve Parkes, University of Dundee

ESA Manager -

Pierre Fabry, ESTEC

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Summary

Page 2 - UserManual; SpaceWire Router; User Manual; Document Change log; Date

Ref.: UoD_SpW-10X_ UserManual Issue: 3.4 SpW-10X SpaceWire Router User Manual Date: 11 th July 2008 Preliminary 2 Document Change log Date Issue Comments Author 19 th -March-2004 Issue 1.0 Initial draft version Chris McClements 26 th -August-2004 Issue 1.2 Timing for FPGA model added Chris McClement...

Page 4 - CONTENTS; II

Ref.: UoD_SpW-10X_ UserManual Issue: 3.4 SpW-10X SpaceWire Router User Manual Date: 11 th July 2008 Preliminary 4 CONTENTS CONTENTS ..............................................................................................................................................4 I LIST OF FIGURES .........

Page 10 - LIST OF FIGURES; LVDS

Ref.: UoD_SpW-10X_ UserManual Issue: 3.4 SpW-10X SpaceWire Router User Manual Date: 11 th July 2008 Preliminary 10 I LIST OF FIGURES F IGURE 2-1 S TAND -A LONE R OUTER ...................................................................................................................... 16 F IGURE 2-...

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