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PM73487 QRT
PMC-Sierra, Inc.
PMC-980618
Issue 3
622 Mbps ATMTraffic Management Device
Released
Datasheet
167
8.5
Receive Switch Fabric Control RAM (RSF_CONTROL) Summary
NOTE: All registers in this RAM contain state information. No configuration or initialization is necessary.
The only foreseen uses for this information are in system- and board-level diagnostics and/or debug.
Base address:130000
h
(4C0000
h
byte)
Index: 5
h
Number of entries: 8 (40 words)
Type: Read/Write
Long address = 130000
h
+
long_offset + RSF_buffer_number
Byte address = 4C0000
h
+
byte_offset + RSF_buffer_number
8.5.1
RX_RSF_CONFIG (Internal Structure)
Offset: 0
h
(0
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.
Table 31. Receive Switch Fabric Control RAM (RSF_CONTROL) Summary
Byte
Offset
Long
Offset
Name
Read or
Write
Description
0
h
0
h
RX_RSF_CONFIG
R/W
The channel configuration of the cell in the Receive
Switch Fabric (RSF) transmission.
20
h
8
h
RX_RSF_TAG
R/W
The tag word for the cell intended for RSF transmission.
NOTE: This word also contains OUTCHAN(12:0).
40
h
10
h
RX_RSF_NEW_VPI_VCI
R/W
The new VPI and VCI for the cell intended for RSF
transmission.
NOTE: This word also contains OUTCHAN(15:13).
60
h
18
h
RX_RSF_SN_CHAN
R/W
The sequence number and channel number for the cell
intended for RSF transmission
80
h
20
h
RX_RSF_ER_CELL_PTR
R/W
The Explicit Rate (ER) and cell buffer pointer for the cell
intended for RSF transmission.
Field (Bits)
Description
RX_RSF_CONFIG
(31:0)
The snapshot of the RX_CH_CONFIG of the channel where this cell originated. For information on
RX_CH_CONFIG, refer to section
“RX_CH_TAG” on page 185
.