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MT90220
77
Address (Hex):
Direct access
register operation
Reset Value (Hex):
208 - 20F
1 register per link. The RxClk and TxClk signals must be active for correct
00
Bit #
Type
Description
7:5
4
R
Unused. Should read 0’s.
This bit is set when the RX UTOPIA FIFO associated with a Link in UNI mode overflows.
This bit is cleared by writing 0.
This bit is set when the UTOPIA Input counter for all cells (or all Stuff cells event)
associated with a link used in UNI mode overflows. This bit is cleared by writing 0.
This bit is set when the UTOPIA Input counter for Idle Cells associated with a link used in
UNI mode overflows. This bit is cleared by writing 0.
This bit is set when the UTOPIA Input counter for Unassigned Cells associated with a link
used in UNI mode overflows. This bit is cleared by writing 0.
This bit is set when the UTOPIA Input counter for HEC Errored Cells associated with a
link used in UNI mode overflows. This bit is cleared by writing 0.
R/W
3
R/W
2
R/W
1
R/W
0
R/W
Table 102 - IRQ UTOPIA UNI Overflow Status Registers
Address (Hex):
Direct access
register operation
Reset Value (Hex):
22A - 231
1 register per link. The RxClk and TxClk signals must be active for correct
00
Bit #
Type
Description
7
R/W
This bit is set when the TX PCM Link counter for all cells associated with a link used in
overflows.
This bit is set when the TX PCM Link counter for Idle or Filler Cells associated with a link
overflows.
This bit is set when the TX PCM Link counter for TX Stuff Cells associated with a link
overflows.
This bit is set when the TX PCM Link counter for TX ICP Cells associated with a link
overflows.
This bit is set when the RX PCM Link counter for all cells (or all Stuff cells event)
associated with a link overflows.
This bit is set when the RX PCM Link counter for Idle or Filler Cells associated with a link
overflows.
This bit is set when the RX PCM Link counter for HEC Errored Cells associated with a link
overflows.
This bit is set when the RX PCM Link counter for bad ICP Cells associated with a link
overflows.
6
R/W
5
R/W
4
R/W
3
R/W
2
R/W
1
R/W
0
R/W
Table 103 - IRQ Link UNI Overflow Status Registers