參數(shù)資料
型號： XRT72L73
廠商： Exar Corporation
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù)： 61/105頁
文件大?。?/td> 1307K
代理商： XRT72L73
á
XRT72L73
THREE CHANNEL, DS3 ATM UNI/CLEAR-CHANNEL FRAMER IC
PRELIMINARY
REV. P1.0.1
61
T
ABLE
21:
R
X
DS3 LAPD C
ONTROL
R
EGISTER
R
EGISTER
20 R
X
DS3 LAPD C
ONTROL
R
EGISTER
H
EX
A
DDRESS
: 0
X
13
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7
Enable 5 F(4)
R/W
1
0: Particular frame f-bit search block disabled
1: Particular frame f-bit search block enabled
Each bit is an “Enable” to five f0bit framer parallel search blocks
6
Enable 5 F(3)
R/W
1
5
Enable 5 F(2)
R/W
1
4
Enable 5 F(1)
R/W
1
3
Enable 5 F(0)
R/W
1
2
Rx LAPD Enable
R/W
0
0: Disables the LAPD Receiver
1: Enables the LAPD Receiver
N
OTE
:
This bit-field is only active if the XRT72L73 has been configured to
support the “C-bit Parity” Framing Format.
1
Rx LAPD Interrupt Enable
R/W
0
0: Receive LAPD Interrupt is disabled.
1: Generates interrupt anytime the LAPD Receiver receives a new LAPD
(PMDL) Message.
N
OTE
:
This bit-field is only active if the XRT72L73 has been configured to
support the “C-bit Parity” Framing Format.
0
Rx LAPD Interrupt Status
RUR/
WO
0
0: A new LAPD Message has NOT been received (by the LAPD Receiver)
since the last read of this register.
1: A new LAPD Message has been received (by the LAPD Receiver) since
the last read of this register.
N
OTE
:
This bit-field is only active if the XRT72L73 has been configured to
support the “C-bit Parity” Framing Format.
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