Corp. SpaceWire Router User Manual

Ref.:
UoD_SpW-10X_
UserManual
Issue:
3.4
SpW-10X
SpaceWire Router
User Manual
Date:
11
th
July 2008
Preliminary
110
Table 9-5 Configuration Port Control/Status Register Fields
Bits Name Reset
Value
Description Read/Write
0 Error active ‘0’ The error active bit is set when one of the error
bits is active
R
1 Port timeout error ‘0’ The port timeout error bit is set when a timeout
event is detected by the configuration port
routing logic.
R
2 Invalid Header
CRC
‘0’ The Invalid header CRC bit is set when the
header CRC is invalid.
R
3 Invalid Data CRC ‘0’ The invalid data CRC is set when the data part
of the packet is corrupted and the CRC does
not match the internally generated CRC.
R
4 Invalid Destination
Key
‘0’ The invalid destination key bit is set when the
destination key in the command packet is
invalid.
R
5 Command not
implemented
‘0’ The command not implemented bit is set when
the command code is a valid RMAP code but
the command is not supported by the
SpaceWire Router.
R
6 Invalid Data Length ‘0’ The invalid data length bit is set when a data
length error is detected
R
7 Invalid RMW Data
Length
‘0’ The read modify write command data length is
invalid. When a read modify write is performed
the expected data length is 8.
R
8 Invalid Destination
Logical Address
‘0’ The invalid destination logical address bit is set
when the destination logical address in the
command packet is not the default value of
254.
R
9 Early EOP ‘0’ The early EOP bit is set when the command
packet is terminated before the end of packet
with an EOP
R
10 Late EOP ‘0’ The late EOP bit is set when the command
packet is not terminated correctly and trailing
bytes are detected before the end of packet.
R
11 Early EEP ‘0’ The early EEP bit is set when the command
packet is terminated before the end of packet
with an EEP
R
12 Late EEP ‘0’ The late EEP bit is set when the command
packet is not terminated correctly and trailing
bytes are detected before the end of packet.
R
13 Verify Buffer
Overrun Error
‘0’ The verify buffer overrun error bit is set when a
verified write command is performed and the
data length is not 4.
R