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XRT79L71 Datasheet(PDF) 92 Page - Exar Corporation

Part # XRT79L71
Description  1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
PDF  441 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT79L71 Datasheet(HTML) 92 Page - Exar Corporation

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XRT79L71
PRELIMINARY
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REV. P1.0.3
1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
80
BIT NUMBER
NAME
TYPE
DESCRIPTION
7 - 0
Device ID Value
R/O
Device ID Value:
This READ-ONLY bit-field is set to the value "0x7A" and permits
the user's software code to uniquely identify this device as the
XRT79L71 device.
REVISION ID REGISTER (ADDRESS = 0X0105)
BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0
Revision Number Value
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
00
000
001
BIT NUMBER
NAME
TYPE
DESCRIPTION
7 - 0
Revision Number Value
R/O
Revision Number Value:
This READ-ONLY bit-field is set to the value that corresponds to
its revision number. Revision A silicon will be set to the value
"0x01". This register permits the user's software code to
uniquely identify the revision number of the XRT79L71 device.
OPERATION INTERRUPT STATUS REGISTER - BYTE 1 (ADDRESS = 0X0112)
BIT 7BIT 6BIT 5BIT 4BIT 3BIT 2BIT 1BIT 0
Unused
DS3/E3
LIU/JA Block
Interrupt
Status
DS3/E3
Framer Block
Interrupt
Status
Unused
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
00
000
000
BIT NUMBER
NAME
TYPE
DESCRIPTION
7 - 4
Unused
R/O
3
DS3/E3 LIU/JA Block
Interrupt Status
R/O
DS3/E3 LIU/JA Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a "DS3/E3
LIU/JA Block" interrupt is awaiting service.
0 - No "DS3/E3 LIU/JA" block interrupt is awaiting service.
1 - At least one "DS3/E3 LIU/JA" block interrupt is awaiting ser-
vice.
2
DS3/E3 Framer Block
Interrupt Status
R/O
DS3/E3 Framer Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a "DS3/E3
Framer Block" interrupt is awaiting service.
0 - No "DS3/E3 Framer" block interrupt is awaiting service.
1 - At least one "DS3/E3 Framer" block interrupt is awaiting ser-
vice.
1 - 0
Unused
R/O



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