Released
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
2.3.2.26 8B/10B Decoder Lookup Table
Symbol: D8BDEC
Address Offset: 81000-81FFCh
Default Value: Unknown
Access:
Read/Write
The 8B/10B decoder lookup table data bitmap consists of the following:
Bits
Description
31:10 Reserved.
This bit flags an 8B/10B decode error. The entry that the 10B character indexes does not
correspond to a valid 8B control or data byte.
9
This bit identifies an 8B/10B control character. If the 10B character indexes an entry that has
this control bit set and the data field [7:0] is 0x0, the 10B character is recognized as the comma
character for synchronization. If the 10B character indexes an entry that has this control bit set
and the data field [7:0] is 0xFF, the 10B character is recognized as an indication that the
linecard fiber optics is ready.
8
7:0
This data field contains the corresponding 8B value.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
135
PMC [ PMC-SIERRA, INC ]
