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MT9072AB датащи(PDF) 96 Page - Zarlink Semiconductor Inc

номер детали MT9072AB
подробное описание детали  Octal T1/E1/J1 Framer
PDF  275 Pages
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производитель  ZARLINK [Zarlink Semiconductor Inc]
домашняя страница  http://www.zarlink.com
Logo ZARLINK - Zarlink Semiconductor Inc

MT9072AB датащи(HTML) 96 Page - Zarlink Semiconductor Inc

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MT9072
Data Sheet
96
Zarlink Semiconductor Inc.
15.0
Interrupts
The MT9072 has an extensive suite of interrupts consisting of 2 maskable interrupt vectors and 32 maskable
interrupt status registers as shown in Figure 9 and an ST-BUS Analyzer Interrupt. The set bits in the 2 interrupt
vectors identify which of the 32 interrupt status registers is responsible for the interrupt. Reading the corresponding
interrupt status registers identifies the exact source of the interrupt. Any set bit in the interrupt vectors causes the
IRQ pin to toggle low (providing the SPND bit is not set).
Figure 9 - Interrupt Status Registers
F
R
A
M
E
R
1
Elastic
Interrupt
Status
Register
036
Rx Sync
Interrupt
Status
Register
034
Rx Line
Status
Register
035
Elastic
Store
Mask
Status
046
Rx Sync
Mask
Status
Register
044
RX Line
Mask
Status
Register
045
Framer 0 Master LatchStatus
Registers 023 - 026
FRAMER 0
INTA
SPND
F
R
A
M
E
R
2
F
R
A
M
E
R
3
F
R
A
M
E
R
5
F
R
A
M
E
R
6
F
R
A
M
E
R
7
F
R
A
M
E
R
4
4
Interrupt Vector 1
Status Register Address 910
Interrupt Vector 1
Mask Register Address 902
4
4
4
4
4
4
4
4
4
4
4
IRQ
Pin
Interrupt Vector 1
Interrupt Vector 2
Status Register Address 911
Interrupt Vector 2
Mask Register Address 903
Interrupt Vector 2
IRQ 1
IRQ 2
HDLC
Status
Register
033
HDLC
Mask
Status
Register
043
ST-BUS
Analyser
Interrupt



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