MT90222AG Zarlink Semiconductor, MT90222AG Datasheet - Page 114

• Manufacturer Part Number: MT90222AG
• Description: Description = 4 Port Ima & TC PHY For T1, E1 And DSL ;; Package Type = N/a ;; No. Of Pins =
• Manufacturer: Zarlink Semiconductor

Address (Hex):
Synchronized access The value in this register is used for internal access to the counter when the
Reset Value (Hex):
Address (Hex):
Synchronized access The value in this register is used for internal access to the counter when the
Reset Value (Hex):
Bit #
15:0
Bit #
15:9
8:5
4:0
Type
Type
R/W
R/W
R/W
R
A read accesses the byte #2 and byte #1 of the Counter that was selected in the Select
Counter register. Byte 2 is in bits 15:8 and byte 1 is in bits 7:0.
A write will hold the value to be written to the selected counter.
Unused. Read all 0’s.
The valid bit combinations are:
1011: UTOPIA Input, counter of all cells for link
1010: UTOPIA Input, counter of Idle cells for link
1001: UTOPIA Input, counter of Unassigned cells for link
1000: UTOPIA Input, counter of cells with HEC error, single or multiple bit errors
0111: TX Link, total number of cells, (or User Cells)
0110: TX Link, number of Idle/Filler cells
0101: TX Link, number of Stuff cells
0100: TX Link, number of ICP cells
0011: RX Link, total number of cells (or stuff cells)
0010: RX Link, number of Idle/Filler cells, (or User Cells)
0001: RX Link, number of cells with HEC errors
0000: RX Link, number of bad ICP cells
Other values are not valid and should not be used.
The valid bit combinations are:
10111: IMA Group 7 when UTOPIA Input counter access
10010: IMA Group 6 when UTOPIA Input counter access
...
10001: IMA Group 1 when UTOPIA Input counter access
10000: IMA Group 0 when UTOPIA Input counter access
01111: Link 15
01110: Link 14
...
00000: Link 0
Other values are not valid and should not be used.
0x0431 (1 reg)
0000
0x0432 (1 reg)
0000
transfer command is issued
transfer command is issued
Table 91 - Counter Bytes 2 and 1 Register
Table 92 - Select Counter Register
Zarlink Semiconductor Inc.
MT90222/3/4
114
Description
Description
Data Sheet