MT90220
Address (Hex):
Direct access
300, 340, 380, 3C0 for IMA Group 0, 1, 2 and 3 respectively
Access these locations directly then use transfer
command to copy to internal memory
These registers need to be initialized for proper
operation
Reset Value (Hex):
Cell
Byte #
Address
Offset
Type
Description
1-4
00-03
R/W
Header of ICP Cell. The values should be set to
Byte 0: 0x00, byte 1: 0x00, byte 2: 0x00, byte 3: 0x0B.
5
6
7
04
05
06
R/W
R/W
R/W
HEC is always calculated and inserted by the MT90220.
OAM, should be set to 0x01
Cell ID, Link ID. The bit 7 (Cell ID) is controlled by the MT90220, the Link ID is
provided by the TX Link ID Register.
8
9
07
08
R/W
R/W
IMA Frame Sequence Number. Inserted by the MT90220.
ICP Cell Offset. Inserted by the MT90220 based on the Link Offset register
info.
10
11
12
13
14
09
0A
0B
0C
0D
R/W
R/W
R/W
R/W
R/W
Link Stuff Indication. Inserted by the MT90220.
Status & Control Change Indication. Inserted by the MT90220.
IMA ID
Group Status and Control
Synchronization Information. Inserted by the MT90220 based on the TX
Group Control Mode Register.
15
16
0E
0F
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Tx Test Control
Tx Test Pattern
17
10
Rx Test Pattern
18-49
50
11-30
31
Status and Control of links with LID in the range 0-31
Unused
51
32
End-to-End channel
52-53
33-34
CRC Error Control. Inserted by the MT90220
Table 40 - TX ICP Cell Registers
51
MITEL [ MITEL NETWORKS CORPORATION ]
