MT90222AG Zarlink Semiconductor, MT90222AG Datasheet - Page 113

• 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):
Direct access
Reset Value (Hex):
Address (Hex):
Direct access
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 #
Bit #
15:5
Bit #
15:8
7:0
0
4
3
2
1
0
Type
Type
R/W
R/W
R/W
R/W
R/W
R/W
Type
R/W
R
R
This bit is set when the RX TDM Link counter for bad ICP Cells associated with a link
overflows.
Unused. Read 0’s.
This bit is set when the RX UTOPIA FIFO associated with an IMA Group overflows. This
bit is cleared by writing 0.
This bit is set when the counter for all cells associated with an IMA Group overflows. (Input
UTOPIA port). This bit is cleared by writing 0.
This bit is set when the counter for Idle Cells associated with an IMA Group overflows.
(Input UTOPIA port). This bit is cleared by writing 0.
This bit is set when the counter for Unassigned Cells associated with an IMA Group
overflows. (Input UTOPIA port). This bit is cleared by writing 0.
This bit is set when the counter for HEC Errored Cells associated with an IMA Group
overflows. (Input UTOPIA port). This bit is cleared by writing 0.
Table 88 - IRQ Link TC Overflow Status Registers (continued)
Unused. Read all 0’s.
A read accesses the MSB (byte #3) of the Counter selected in the Select Counter
register.
A write will hold the value to be written to the selected counter.
register operation
0x0410 - 0x041F (16 reg)
1 register per link. The RxClk and TxClk signals must be active for correct
0000
0x0420 - 0x0427 (8 reg)
1 register per IMA Group. The RxClk and TxClk signals must be active for correct
register operation. For MT90222 only groups 0,1,2 and 3 are used.
0000
0x0430 (1 reg)
0000
transfer command is issued
Table 89 - IRQ IMA Overflow Status Registers
Table 90 - Counter Upper Byte
Zarlink Semiconductor Inc.
MT90222/3/4
113
Description
Description
Description
Data Sheet