PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATMTraffic Management Device
Released
Datasheet
162
8.4.1.4
TX_VO_SERVICE_STATE_0 (Internal Structure)
Offset: 60
h
(180
h
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.
8.4.1.5
TX_VO_SERVICE_STATE_1 (Internal Structure)
Offset:80
h
(200
h
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.
TX_VO_CELLS_PRES(0)
(0)
Cells are present in the tranmsit SCQ 0 for VO = index.
Initialize to 0.
Field (Bits)
Description
Not present
(31:16)
RAM is not present in these bit locations.
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.
TX_VO_SC2_WEIGHT_CNT
(5:0)
Current weight count for the strict priority 2 class being serviced. Initialize to 000000.
Field (Bits)
Description
Not present
(31:16)
RAM is not present in these bit locations.
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.
TX_VO_SC1_PTR
(8)
Points to one of the two strict priority 1 SCQs. Initialize to 0.
Not used
(7)
Write with a 0 to maintain software compatibility with future versions.
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.
(Continued)
Field (Bits)
Description