Released
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
3.4.2.60 Outstanding Scheduler Request Count Memory
Symbol: EOSRM
Address Offset: 1A000-1BFFCh
Default Value: Unknown
Access:
Read/Write
The Outstanding Scheduler Request Count Memory contains the number of cells in a VOQ that the EPP
must request a grant from the Scheduler. This memory is addressed by QID, but only Unicast and
Multicast addresses are valid.
For Unicast traffic: 128-512 queues depending on Egress OC-48c Mode Map register; maximum 64
requests for OC-192c, max 16 requests for OC-48.
Address
Bits
Description
19:13 Must be set to 0xD
12:11 Must be set to 0x2 for Unicast traffic type
10:9
8:4
3:2
1:0
Priority
Destination Port
Destination Subport
Must be set to 0
Data
Bits
Description
31:7
6:0
Reserved.
Requests
For Multicast traffic: 4 queues regardless of OC-48 modes; max 96 requests.
Address
Bits
Description
19:13 Must be set to 0xD
12:11 Must be set to 0x3 for Multicast traffic type
10:9
8:0
Priority
Must be set to 0
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
203
PMC [ PMC-SIERRA, INC ]
