Released
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
2.3.2.9 Primary Crossbar Select
Symbol: DPRIXB
Address Offset: 00080h
Default Value: 00000000h
Access:
Read/Write
Selects Crossbar 0 or Crossbar 1 as the primary Crossbar for fault tolerance.
Bits
Description
31:1 Reserved.
0
Primary Crossbar Select. A value of 0 selects Crossbar 0. A value of 1 selects Crossbar 1.
2.3.2.10 Input Bypass Shift Register Depth
Symbol: DINBY
Address Offset: 00084h
Default Value: 00000002h
Access:
Read/Write
Programs the depth of the Input Bypass Shift Register between 0 and 7 cells. This register defaults to a
depth of 2 at power-up and reset time and should be changed to a value of 3 for use in a ETT1 system..
Bits
Description
31:3
2:0
Reserved.
Depth Range. Values from 0 to 7.
126
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PMC [ PMC-SIERRA, INC ]
