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XRT79L71IB Datasheet(PDF) 83 Page - Exar Corporation

Part # XRT79L71IB
Description  1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
PDF  109 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT79L71IB Datasheet(HTML) 83 Page - Exar Corporation

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XRT79L71
80
REV. 1.0.0
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - HARDWARE
A more detailed description of each of these registers will be presented in the corresponding sections
describing the Receive DS3/E3 Framer, Transmit DS3/E3 Framer or Receive PLCP Processor Blocks.
5.0
REGISTER MAP/DESCRIPTION OF THE XRT79L71 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-
CHANNEL FRAMER WITH LIU IC (SEE 79L71-REGISTER/MAP-DESC.PDF)
6.0
PIN DESCRIPTIONS (SEE 79L71-HARDWARE-MANUAL.PDF)
7.0
ELECTRICAL CHARACTERISTICS (SEE 79L71-HARDWARE-MANUAL.PDF)
8.0
MICROPROCESSOR INTERFACE (SEE 79L71-HARDWARE-MANUAL.PDF)
9.0
ARCHITECTURAL/FUNCTIONAL DESCRIPTION OF THE XRT79L71 1-CHANNEL DS3/E3 ATM UNI/
PPP/CLEAR-CHANNEL FRAMER WITH LIU IC - CLEAR CHANNEL FRAMER AND HIGH-SPEED
HDLC CONTROLLER MODE APPLICATIONS (SEE 79L71-CC-ARC-DESC.PDF)
1
Transmit DS3/E3 Framer Block Interrupt Sta-
tus
TxDS3 FEAC Configuration & Status Regis-
ter
0x1131
TxDS3/E3 LAPD Status/Interrupt Register
0x1134
0
One Second Interrupt Status
NONE - Cause of Interrupt was One Second
Interrupt
****
TABLE 6: INTERRUPT SERVICE ROUTINE GUIDE FOR THE DS3/E3 FRAMER BLOCK
BIT NUMBER
ASSERTED IN
REGISTER
BIT-FIELD NAME
NEXT REGISTER TO READ WITHIN INTERRUPT
SERVICE ROUTINE
ADDRESS
LOCATION OF
NEXT REGISTER



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