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XRT74L73 Datasheet, PDF (47/488 Pages) Exar Corporation – 3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER
PRELIMINARY
XRT74L73
3 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER
REV. P1.0.1
COMMONCONTROL REGISTERS OF THE XRT74L73
ADDRESS LOCATION
REGISTER NAME
0x0513
0x0514 - 0x0516
0x0517
0x0518 - 0x0580
0x0581
0x0582
0x0583
0x0584 - 0x0592
0x0593
0x0594 - 0x0596
0x0597
COMMON CONTROL REGISTERS
Receive UTOPIA Port Address Register
Reserved
Receive UTOPIA Port Number Register
Reserved
Transmit POS-PHY Control Register - Byte 1
Transmit POS-PHY Control Register - Byte 0
Transmit UTOPIA Control Register
Reserved
Transmit UTOPIA Port Address Register
Reserved
Transmit UTOPIA Port Number Register
TYPE
DEFAULT
VALUE
R/W
0x00
R/W
R/W
R/W
0x00
0x00
0x00
R/W
0x00
R/W
0x00
CLEAR-CHANNEL FRAMER BLOCK REGISTERS
ADDRESS LOCATION
REGISTER NAME
0xn100
0xn101
0xn102 - 0xn103
0xn104
0xn105
0xn106 - 0xn10B
0xn10C
0xn10D
0xn10E - 0xn10F
0xn110
0xn111
0xn112
CHANNEL N (N=1, 2, 3) CONTROL REGISTERS
CLEAR-CHANNEL FRAMER BLOCK REGISTERS
Operating Mode Register
I/O Control Register
Reserved
Block Interrupt Enable Register
Block Interrupt Status Register
Reserved
DS3 Test Register
Payload HDLC Control Register
Reserved
RxDS3 Configuration and Status RegisterRxE3 Configuration and Status
Register # 1 (G.832 & G.751)
RxDS3 Status RegisterRxE3 Configuration and Status Register # 2
(G.832 & G.751)
RxDS3 Interrupt Enable RegisterRxE3 Interrupt Enable Register 1
(G.832 & G751)
TYPE
R/W
R/W
R/W
R/O
R/W
R/W
R/O
R/O
R/W
DEFAULT
VALUE
0x2B
0xC0
0x00
0x00
0x00
0x00
0x12
0x00
0x00
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