Atmel SpaceWire Router SpW-10X User Manual

Page of 155
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
Error active 
‘0’ 
The error active bit is set when one of the error 
bits is active 
Port timeout error 
‘0’ 
The port timeout error bit is set when a timeout 
event is detected by the configuration port 
routing logic.  
2 Invalid 
Header 
CRC 
‘0’ 
The Invalid header CRC bit is set when the 
header CRC is invalid. 
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. 
4 Invalid 
Destination 
Key 
‘0’ 
The invalid destination key bit is set when the 
destination key in the command packet is 
invalid.  
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. 
Invalid Data Length  ‘0’ 
The invalid data length bit is set when a data 
length error is detected  
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. 
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. 
Early EOP 
‘0’ 
The early EOP bit is set when the command 
packet is terminated before the end of packet 
with an EOP 
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. 
11 
Early EEP 
‘0’ 
The early EEP bit is set when the command 
packet is terminated before the end of packet 
with an EEP 
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. 
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.