TABLE 21:
參數(shù)資料
型號: XRT72L71IQ
廠商: Exar Corporation
文件頁數(shù): 61/102頁
文件大?。?/td> 0K
描述: IC FRAMER DS3 ATM UNI 160PQFP
產品變化通告: XRT72Lx Series Obsolescence 02/May/2012
標準包裝: 24
控制器類型: DS3 ATM UNI,透明通道調幀器
電源電壓: 3.3V
電流 - 電源: 120mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 160-BQFP
供應商設備封裝: 160-PQFP(28x28)
包裝: 托盤
á
XRT72L71
DS3 ATM UNI/CLEAR CHANNEL FRAMER
REV. 1.1.0
57
TABLE 21: RX DS3 LAPD CONTROL REGISTER
REGISTER 20
RX DS3 LAPD CONTROL REGISTER
HEX ADDRESS: 0X13
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
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
NOTE: This bit-field is only active if the XRT72L71 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.
NOTE: This bit-field is only active if the XRT72L71 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.
NOTE: This bit-field is only active if the XRT72L71 has been configured to
support the “C-bit Parity” Framing Format.
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