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MT90220 Datasheet, PDF (84/116 Pages) Mitel Networks Corporation – Octal IMA/UNI PHY Device | |||
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MT90220
Address (Hex):
Direct access
Reset Value (Hex):
219 - 220
1 Enable register per link Status reg
00
Bit #
7:0
Type
R/W
Description
Each bit set to â1â will enable the generation of the interrupt when the corresponding bit in
the IRQ Link Status register is set.
Table 98 - IRQ Link Enable Registers
Address (Hex):
235
Direct access
Reset Value (Hex): XD
Bit #
7:4
3:0
Type
R
R/W
Description
Reserved.
Each bit set to â1â represent an overï¬ow condition from the IMA Group associated with the
bit. There is one bit for each IMA Group. A bit is set when one or more of the 4 counters
or the RX UTOPIA FIFO associated with an IMA Group overï¬ows.
Table 99 - IRQ IMA Group Overï¬ow Status Register
Address (Hex):
204
Direct access
Reset Value (Hex): 00
Bit #
7:4
3:0
Type
R
R/W
Description
Unused. Should read 0âs.
Each bit set to â1â will enable the generation of the interrupt when the corresponding bit in
the IRQ IMA Group Overï¬ow Status register is set. There is one bit for each status bit.
Table 100 - IRQ IMA Group Overï¬ow Enable Register
Address (Hex):
Direct access
Reset Value (Hex):
210 - 213
1 register per IMA Group. The RxClk and TxClk signals must be active for correct
register operation
00
Bit #
7:5
4
3
2
1
0
Type
R
R/W
R/W
R/W
R/W
R/W
Description
Unused. Should read 0âs.
This bit is set when the RX UTOPIA FIFO associated with an IMA Group overï¬ows. This
bit is cleared by writing 0.
This bit is set when the counter for all cells associated with an IMA Group overï¬ows.
(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 overï¬ows.
(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
overï¬ows. (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
overï¬ows. (Input UTOPIA port). This bit is cleared by writing 0.
Table 101 - IRQ IMA Overï¬ow Status Registers
76
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