Released
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
Bits
Description (Continued)
Fiber Optics Ingress Ready Up. This is set if the fiber optics receiver raises its ready status
as a consequence of synchronization being locked on the 8B/10B control sequences.
10
Fiber Optics Ingress Ready Down. This is set if the fiber optics receiver drops its ready
status as a consequence of synchronization being lost on the 8B/10B control sequences.
9
8
7
6
5
Crossbar 1 Ready Up. This is set if the Crossbar 1 AIB link raises its ready status.
Crossbar 0 Ready Up. This is set if the Crossbar 0 AIB link raises its ready status.
Crossbar 1 Ready Down. This is set if the Crossbar 1 AIB link drops its ready status.
Crossbar 0 Ready Down. This is set if the Crossbar 0 AIB link drops its ready status.
Crossbar 0 and Crossbar 1 Ready Down Together. This is set if both Crossbar 0 and
Crossbar 1 AIB links drop their ready status simultaneously.
4
3
2
Crossbar 1 CRC Error. This is set if a CRC error is flagged by the Crossbar 1 link receiver.
Crossbar 0 CRC Error. This is set if a CRC error is flagged by the Crossbar 0 link receiver.
Crossbar 0 and Crossbar 1 CRC Errors Together. This is set if CRC errors are
simultaneously flagged by both Crossbar 0 and Crossbar 1 AIB link receivers.
1
Crossbar 0 and Crossbar 1 Mismatch. This is set if both Crossbar 0 and Crossbar 1 AIB
links are ready, there is no CRC error, and the data received from Crossbar 0 does not match
that received from Crossbar 1.
0
2.3.2.6 AIB Reset
Symbol:
DAIBRS
Address Offset: 00030h
Default Value: 00000003h
Access:
Read/Write
Used to assert reset to the corresponding Crossbar AIB link. Bit 0 is for the Crossbar 0 AIB link, and bit 1 is
for the Crossbar 1 AIB link. If reset is asserted, the link will not operate or transition to ready. Reset is
asserted to 1 on power-up reset or if the reset bit in the control register is asserted.
Bits
Description
31:2
1
Reserved.
Crossbar 1 AIB Link Reset
Crossbar 0 AIB Link Reset
0
124
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PMC [ PMC-SIERRA, INC ]
