MT90225AG Zarlink Semiconductor, MT90225AG Datasheet - Page 51

• Manufacturer Part Number: MT90225AG
• Description: Description = 16 Port TC PHY For T1, E1 And DSL ;; Package Type = N/a ;; No. Of Pins =
• Manufacturer: Zarlink Semiconductor

Data Sheet
Address (Hex):
Direct access
Reset Value (Hex):
Address (Hex):
Direct access
Reset Value (Hex):
Address (Hex):
Direct access
Reset Value (Hex):
Bit #
15:8
Bit #
Bit #
15:5
15:6
7:4
3:0
3:0
5:4
3:2
1:0
4
Type
Type
R/W
R/W
Type
R/W
R
R
R
R
R
R
R
Unused, Read all 0’s.
DELTA parameter value for the Cell Delineation register. The number of consecutive cells
with correct HEC to leave the PRESYNC state to go to the SYNC state. The default value
is 6.
ALPHA parameter value for the Cell Delineation register. The number of consecutive cells
with incorrect HEC to leave the SYNC state to go to the HUNT state. The default value is
7.
Unused. Read all 0’s.
This bit toggles after every write to the MT90225/226 device.
Selects the RX physical link number to update the cell delineation state in Rx State
Register.
Unused. Read all 0’s.
Reserved.
Reserved.
Cell Delineation State:
00: Hunt
01: Presync
10: Sync.
11: Reserved.
0x00C9 (1 reg)
1 register for all 16 cell delineation state machines
0067
0x00DC (1 reg)
1 register to select the link whose CD state can be read from 0x00E4 register
0000
0x00E4 (1 reg)
The value is updated on completion of the write action in the RX Link Select
0000
register
Table 15 - Cell Delineation Register
Table 16 - RX Link Select Register
Table 17 - RX State Register
Zarlink Semiconductor Inc.
Description
Description
Description
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