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XRT79L71IB Datasheet(PDF) 33 Page - Exar Corporation

Part # XRT79L71IB
Description  1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -
PDF  434 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT79L71IB Datasheet(HTML) 33 Page - Exar Corporation

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XRT79L71
24
REV. 1.0.0
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - REGISTER/MAP DESCRIPTION
OPERATION BLOCK INTERRUPT REGISTER BIT FORMATS
Operation Control Register - Byte 3 (Address = 0x0100)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Unused
Configura-
tion Control
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/W
0
0
0
0
0
0
0
0
BIT NUMBER
NAME
TYPE
DESCRIPTION
7 - 6
Unused
R/O
0
Configuration Control
R/W
Configuration Control:
This READ/WRITE bit-field permits the user to configure the
XRT79L71 to support any of the following configurations.
• ATM/PPP
• Clear Channel/HDLC
The following table presents the relationship between the value
written into these register bits and the corresponding Mode of
operation.
Operation Control Register - Byte 2 (Address = 0x0101)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Unused
Interrupt
WC/INT*
Enable
Interrupt
Auto-Clear
Interrupt
Enable
R/O
R/O
R/O
R/O
R/O
R/W
R/W
R/W
0
0
0
0
0
0
0
0
BIT NUMBER
NAME
TYPE
DESCRIPTION
7 - 3
Unused
R/O
Please set to "0" for normal operation.
Configuration Control
Mode
ATM/PPP
Clear Channel/HDLC
0
1



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