IDT Error Management
Revision 1.5
Integrated Device Technology, Inc.
CPS-16/12/8 User Manual
5 - 11
July 10, 2012
The full maintenance packet generated appear as shown in the following table with the values described
below
i.
CRF = 0
ii.
Prio as defined in the register RIO_PORT_WRITE_INFO
iii.
tt to be set according to LARGE_TRANS in the register RIO_PORT_WRITE_INFO
iv.
destination ID as defined in the register RIO_PORT_WRITE_INFO, the size is determined
by the value of the LARGE_TRANS register field
v.
source ID as defined in the register RIO_PORT_WRITE_SRCID, the size is determined by
the value of the LARGE_TRANS field in the RIO_PORT_WRITE_INFO register
vi.
ttype (transaction) = 0b0100
vii.
rdsize/wrsize = 0b1011
viii. Hop_Count = 0xFF
ix.
W (wptr) = 0b0
Table 5.10 Port Write Payload Definition
Reserved
Error
Source
Error
Code
Error
Flags
Error
Counter
Reserved
00
6 bit
8 bits
8 bits
16 bits
00000000000000000000000
Table 5.11 Maintenance Packet Format
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
AckID
rsvd
CRF
Prio
tt
ftype = 0b1000
destination ID
source ID
ttype
rdsize/wrsize
Source Transaction ID
Hop_Count
Config_Offset [20:13]
Reserved
W
Reserved
0b00
Error Source
Error Code
Error Flags
Error Counter
Error Counter
Data = 0x00
Data = 0x0000
CRC