TABLE
參數(shù)資料
型號： XRT75R12DIB
廠商： Exar Corporation
文件頁數(shù)： 115/133頁
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 12CH 420TBGA
標(biāo)準(zhǔn)包裝： 40
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 12/12
規(guī)程： DS3，E3，STS-1
電源電壓： 3.135 V ~ 3.465 V
安裝類型： 表面貼裝
封裝/外殼： 420-LBGA 裸露焊盤
供應(yīng)商設(shè)備封裝： 420-TBGA（35x35）
包裝： 托盤
XRT75R12D
78
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.3
TABLE 34: XRT75R12D REGISTER MAP SHOWING RECEIVE CONTROL REGISTERS (RC_N) (N = [0:11])
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Reserved
Disable DLOS
Detector
Disable ALOS
Detector
RxCLKINV
LOSMUT
Enable
Receive
Monitor Mode
Enable
Receive
Equalizer
Enable
R/W
RECEIVE CONTROL REGISTER - CHANNEL N ADDRESS LOCATION = 0XM5 (M = 0-5 & 8-D)
BIT NUMBER
NAME
TYPE
DESCRIPTION
7 - 6
Reserved
5
Disable DLOS
Detector
R/W
Disable Digital LOS Detector - Channel_n:
This READ/WRITE bit-field is used to enable or disable the Digital LOS
(Loss of Signal) Detector within Channel_n, as described below.
0 - Enables the Digital LOS Detector within Channel_n.
1 - Disables the Digital LOS Detector within Channel_n.
NOTE:
This bit-field is only active if Channel_n has been configured to
operate in the DS3 or STS-1 Modes.
4
Disable ALOS
Detector
R/W
Disable Analog LOS Detector - Channel_n:
This READ/WRITE bit-field is used to either enable or disable the Analog
LOS (Loss of Signal) Detector within Channel_n, as described below.
0 - Enables the Analog LOS Detector within Channel_n.
1 - Disables the Analog LOS Detector within Channel_n.
NOTE:
This bit-field is only active if Channel_n has been configured to
operate in the DS3 or STS-1 Modes.
3
RxCLKINV
R/W
Receive Clock Invert Select - Channel_n:
This READ/WRITE bit-field is used to select the edge of the RxCLK_n out-
put that the Receive Section of Channel_n will use to output the recovered
data via the RxPOS_n and RxNEG_n output pins, as described below.
0 - Configures the Receive Section (within the corresponding channel) to
output the recovered data via the RxPOS_n and RxNEG_n output pins upon
the rising edge of RCLK_n.
1 - Configures the Receive Section (within the corresponding channel) to
output the recovered data via the RxPOS_n and RxNEG_n output pins upon
the falling edge of RCLK_n.
2
LOSMUT Enable
R/W
Muting upon LOS Enable - Channel_n:
This READ/WRITE bit-field is used to configure the Receive Section (within
Channel_n) to automatically pull their corresponding Recovered Data Out-
put pins (e.g., RxPOS_n and RxNEG_n) to GND for the duration that the
Receive Section declares the LOS defect condition. In other words, this fea-
ture (if enabled) will cause the Receive Channel to automatically mute the
Recovered data anytime the Receive Section declares the LOS defect con-
dition.
0 - Disables the Muting upon LOS feature. In this setting the Receive Sec-
tion will NOT automatically mute the Recovered Data whenever it is declar-
ing the LOS defect condition.
1 - Enables the Muting upon LOS feature. In this setting the Receive Sec-
tion will automatically mute the Recovered Data whenever it is declaring the
LOS defect condition.
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