Released
Datasheet
PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATM Traffic Management Device
9.3.1.4 RX_CH_STATE (Internal Structure)
Offset: 3h (Ch byte)
Type: Read/Write
Format: Refer to the following table.
Field (Bits)
Description
RX_CH_AAL5_STATE
(31:30)
Current AAL5 state.
00b The last cell was not an end-of-frame and was not dropped.
01b The last cell received was an end-of-frame.
10b The last cell was dropped.
11b Undefined.
Initialize to 00b. This field is maintained by a state machine and is read-only after initial-
ization.
RX_CH_CELL_RCVD
(29)
A cell has been received for this channel. Initialize to 0. This bit may not be cleared.
Not used
(28:22)
Write with a 0 to maintain software compatibility with future versions.
RX_CH_LAST_CLEARED_SN
(21:16)
Last cleared sequence numbered.
Initialize to 0.
RX_CH_CONGESTED
(15)
1
0
This channel is currently congested.
This channel is currently not congested.
Initialize to 0. This field is maintained by a state machine and is read-only after initial-
ization.
RX_CH_CUR_QD
(14:0)
Current per-channel queue depth. Initialize to 0000h. This field is maintained by a state
machine and is read-only after initialization.
9.3.1.5 RX_CH_NEXT_CH/RX_CH_SEQ_PTR1 (Internal Structure)
Offset: 5h (14h byte)
Type: Read/Write
Format: Refer to the following table.
Field (Bits)
Description
RX_CH_SEQ_CELL_PTR1
(31:16)
Pointer to the second outstanding cell. Initialize to 0. This field is maintained by a state
machine and is read-only after initialization.
Not used
(15:14)
Write with a 0 to maintain software compatibility with future versions.
RX_CH_NEXT_CH
(13:0)
Next channel in the round-robin service. Initialize to 0000h.
187