PRELIMINARY
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
For TDM traffic: 1 or 4 queues depending on this EPP’s OC-48 mode. If OC-192, up to 96 cells; if OC-48,
up to 24 cells each queue.
Address
Bits
Description
19:13 Must be set to 0xB
12:9
8:4
3:2
1:0
Must be set to 0x7 for TDM Traffic type
Must be set to 0
Source Subport
Must be set to 0
Data
Bits
31:15 Reserved.
14 Full
13:7 Head
6:0 Tail
Description
For Control Packet: 1 or 4 queues depending on this EPP’s OC-48 mode. 8 cells per queue regardless of
mode
Address
Bits
Description
19:13 Must be set to 0xB
12:9
8:4
3:2
1:0
Must be set to 0x0 for Control Packet Traffic type
Must be set to 0
Source Subport
Must be set to 0
Data
Bits
31:7 Reserved.
Description
6:4
3:0
Head
Length
202
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PMC [ PMC-SIERRA, INC ]
