Atmel SpW-10X User Manual
Ref.: UoD_SpW-10X_
UserManual
Issue: 3.4
SpW-10X
SpaceWire Router
User Manual
Date: 11
th
July 2008
Preliminary
5
5.3
EXTERNAL PORT DATA SIGNALS............................................................................................ 37
5.4
TIME-CODE SIGNALS ................................................................................................................ 39
5.5
STATUS INTERFACE SIGNALS................................................................................................. 41
5.6
RESET CONFIGURATION SIGNALS ......................................................................................... 42
5.7
POWER, GROUND, PLL AND LVDS SIGNALS ......................................................................... 45
5.7.1
General...................................................................................................................................... 45
5.7.2
Decoupling ................................................................................................................................ 45
5.7.3
LVDS Reference ....................................................................................................................... 45
5.7.4
PLL External Components ........................................................................................................ 45
6.
INTERFACE OPERATIONS.......................................................................................................... 47
6.1
EXTERNAL PORT INTERFACE OPERATION ........................................................................... 47
6.2
TIME-CODE INTERFACE OPERATION ..................................................................................... 48
6.3
STATUS INTERFACE OPERATION ........................................................................................... 49
6.4
RESET CONFIGURATION INTERFACE OPERATION .............................................................. 51
7.
SPACEWIRE ROUTER PACKET TYPES .................................................................................... 52
7.1
PACKET ADDRESSES................................................................................................................ 52
7.2
PACKET PRIORITY..................................................................................................................... 53
7.3
PACKET HEADER DELETION.................................................................................................... 53
7.4
INVALID ADDRESSES ................................................................................................................ 54
7.5
DATA PACKETS.......................................................................................................................... 55
7.6
COMMAND PACKETS ................................................................................................................ 55
7.6.1
Supported Commands .............................................................................................................. 55
7.6.2
Read Command ........................................................................................................................ 56
7.6.3
Read Incrementing Command .................................................................................................. 60
7.6.4
Read Modify Write Command................................................................................................... 65
7.6.5
Write Command ........................................................................................................................ 70
7.6.6
Command Error Response ....................................................................................................... 74
7.6.7
Command Packet Cyclic Redundancy Check .......................................................................... 76
7.6.8
Local Source Path Address ...................................................................................................... 76
7.6.9
Source Path Address Field ....................................................................................................... 77
7.6.10
Command Packet Fill Bytes.................................................................................................... 78
8.
CONTROL LOGIC AND OPERATIONAL MODES....................................................................... 79
8.1
SPACEWIRE LINK CONTROL.................................................................................................... 79
8.1.1
Default operating mode............................................................................................................. 79