Released
Datasheet
PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
(Continued)
Field (Bits)
Description
•
•
•
•
•
•
TX_VO_CELLS_PRES(0)
(0)
Cells are present in the tranmsit SCQ 0 for VO = index.
Initialize to 0.
8.4.1.4 TX_VO_SERVICE_STATE_0 (Internal Structure)
Offset: 60h (180h byte)
Type: Read/Write – Do not write while SW_RESET (refer to “SW_RESET” on
page 101) is deasserted.
Format: Refer to the following table.
Field (Bits)
Description
RAM is not present in these bit locations.
Not present
(31:16)
TX_VO_GP_PTR
(15:12)
Pointer to 1 of the 12 GP SC queues. Initialize to 0000.
TX_VO_GP_WEIGHT_CNT
(11:6)
Current weight count for the GP SC being serviced. Initialize to 000000.
Current weight count for the strict priority 2 class being serviced. Initialize to 000000.
TX_VO_SC2_WEIGHT_CNT
(5:0)
8.4.1.5 TX_VO_SERVICE_STATE_1 (Internal Structure)
Offset:80h (200h byte)
Type: Read/Write – Do not write while SW_RESET (refer to “SW_RESET” on
page 101) is deasserted.
Format: Refer to the following table.
Field (Bits)
Description
RAM is not present in these bit locations.
Not present
(31:16)
TX_VO_SC1_WEIGHT_CNT
(15:10)
Current weight count for the strict priority 1 class being serviced.
Initialize to 000000.
TX_VO_SC2_PTR
(9)
Points to one of the two strict priority 2 SCQs. Initialize to 0.
Points to one of the two strict priority 1 SCQs. Initialize to 0.
Write with a 0 to maintain software compatibility with future versions.
TX_VO_SC1_PTR
(8)
Not used
(7)
TX_VO_TIME_SLOT_PTR
(6:0)
Points to one of the 128 timeslot SCs in the TX_SERVICE_TABLE (refer to
“TX_SERVICE_TABLE” on page 181). Initialize to 0000000.
162
PMC [ PMC-SIERRA, INC ]
