Released
Datasheet
PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
For Multicast SCs
Field (Bits)
Description
RAM is not present in these bit locations.
Not present
(31:16)
Not used
(15:5)
Write with a 0 to maintain software compatibility with future versions.
The head of the output multicast FIFO (that is, the READ pointer).
TX_SCQ_OUT_FIFO_HEAD
(4:0)
8.2.1.4 TX_SCQ_TAIL/TX_SCQ_OUT_FIFO_TAIL (Internal Structure)
Offset: 3h (Ch byte)
Type: Read/Write – Do not write while SW_RESET (refer to “SW_RESET” on
page 101) is deasserted.
Format: Refer to the following tables.
For Unicast SCs
Field (Bits)
Description
RAM is not present in these bit locations.
Not present
(31:16)
TX_SCQ_TAIL
(15:0)
The tail of the queue for this SC.
For Multicast SCs
Field (Bits)
Description
Not present
(31:16)
RAM is not present in these bit locations.
Not used
(15:5)
Write with a 0 to maintain software compatibility with future versions.
The tail of the output multicast FIFO (that is, the WRITE pointer).
TX_SCQ_OUT_FIFO_TAIL
(4:0)
154
PMC [ PMC-SIERRA, INC ]
