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RELEASED
DATASHEET
PM73123 AAL1GATOR-8
ISSUE 2
PMC-2000097
8 LINK CES/DBCES AAL1 SAR
PMC-SIERRA, INC. PROPRIETARY AND CONFIDENTIAL
201
Type: Read/Write
Function: Stores the outgoing data.
Format: Two data bytes per word, 16 words per frame.
T_DATA_BUFFER Word Format
Field (Bits)
Description
T_DATA_H
(15:8)
Transmit data for:
Channel = (offset mod 16) x 2 + 1.
E1 offset = line x 2048 + multiframe x 256 + frame x
16 + (channe– - 1) / 2.
T1 offset = line x 2048 + multiframe x 512 + frame x
16 + (channe– - 1) / 2.
Transmit data for:
Channel = (offset mod 16) x 2.
E1 offset = line x 2048 + multiframe x 256 + frame x
16 + channel / 2.
T1 offset = line x 2048 + multiframe x 512 + frame x
16 + channel / 2.
T_DATA_L
(7:0)
10.4 Receive Data Structures Summary
Table 25 lists the data structures unique to the receive side of the AAL1gator-8.
Note the addresses listed below are the offsets within each A1SP address space.
Name
R_OAM_QUEUE_TBL
Org
2 words 4 bytes
Size
Addr
8000
h
–
8001
h
8002
h
Description
Receive OAM head
and tail pointers.
Count of received
OAM cells.
Count of dropped
OAM cells.
Reserved (SRTS
Queue Pointers).
Receive SRTS
configuration.
R_OAM_CELL_CNT
1 word
2 bytes
R_DROP_OAM_CELL
1 word
2 bytes
8003
h
Reserved
16
words
2 bytes
x
8 lines
32 bytes
8020
h
-
802F
h
8038
h
-
803F
h
R_SRTS_CONFIG
16 bytes