Released
Datasheet
PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
9.3.1.6 RX_CH_SEQ_ST (Internal Structure)
Address: 8h (20h byte)
Type: Read/Write
Format: Refer to the following tables.
If RX_CH_SEQ_TYPE = 00b (One Cell Allowed to be Outstanding)
Description
Field (Bits)
RX_CH_RUN_LIMITED
(31)
Indicates that this channel has been removed from the ring of channels for this SC
because it has reached its limit.
Not used
(30:18)
Write with a 0 to maintain software compatibility with future versions.
RX_CH_SEQ_STATE0
(17:16)
State of the cell sequencing state machine for cell pointer 0.
Initialize to 0. This field is maintained by a state machine and is read-only after initial-
ization.
00b RX_CH_SEQ_CELL_PTR0 is empty.
01b RX_CH_SEQ_CELL_PTR0 is currently pending transmission.
10b RX_CH_SEQ_CELL_PTR0 received an ONACK on last transmission.
11b RX_CH_SEQ_CELL_PTR0 received an ACK on last transmission.
RX_CH_SEQ_CELL_PTR0
(15:0)
Pointer to the first outstanding cell. Initialize to 0. This field is maintained by a state
machine and is read-only after initialization.
If RX_CH_SEQ_TYPE = 01b (Two Cells Allowed to be Outstanding)
Field (Bits)
Description
RX_CH_RUN_LIMITED
(31)
Indicates this channel has been removed from the ring of channels for this SC because it
has reached its limit.
RX_CH_PTR_NEXT_TO_CLR
(30)
Resequencing state bit. Initialize to 0.
Not used
(29:20)
Write with a 0 to maintain software compatibility with future versions.
RX_CH_SEQ_STATE
(19:16)
State of the cell reassembly state machines.
Initialize to 0. This field is maintained by a state machine and is read-only after initial-
ization.
(19:18) State bits for RX_CH_SEQ_CELL_PTR1.
(17:16) State bits for RX_CH_SEQ_CELL_PTR0.
RX_CH_SEQ_CELL_PTR0
(15:0)
Pointer to the outstanding cell. Initialize to 0. This field is maintained by a state machine
and is read-only after initialization.
188
PMC [ PMC-SIERRA, INC ]
