XRT75R12DIB-F Exar Corporation, XRT75R12DIB-F Datasheet - Page 82
![Peripheral Drivers & Components (PCIs) 12 Channel 3.3V-5V temp -45 to 85C](/photos/16/9/160975/xrt75r12_sml.jpg)
XRT75R12DIB-F
Manufacturer Part Number
XRT75R12DIB-F
Description
Peripheral Drivers & Components (PCIs) 12 Channel 3.3V-5V temp -45 to 85C
Manufacturer
Exar Corporation
Datasheet
1.XRT75R12DIB-F.pdf
(133 pages)
Specifications of XRT75R12DIB-F
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Operating Supply Voltage
3.3 V to 5 V
Package / Case
TBGA-420
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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R
XRT75R12D
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
B
ECEIVE
IT
B
7 - 6
N
IT
UMBER
5
4
3
2
T
ABLE
7
C
Reserved
ONTROL
34: XRT75R12D R
LOSMUT Enable
Disable DLOS
Disable ALOS
RxCLKINV
B
Reserved
R
Detector
Detector
IT
EGISTER
N
6
AME
Disable DLOS
- C
Detector
EGISTER
HANNEL N
B
R/W
IT
T
R/W
R/W
R/W
R/W
5
YPE
MAP
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.
N
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.
N
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.
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.
Disable ALOS
A
OTE
OTE
DDRESS
Detector
B
SHOWING
R/W
: This bit-field is only active if Channel_n has been configured to
: This bit-field is only active if Channel_n has been configured to
IT
operate in the DS3 or STS-1 Modes.
operate in the DS3 or STS-1 Modes.
4
L
OCATION
78
R
RxCLKINV
ECEIVE
B
R/W
IT
= 0
3
C
XM
ONTROL
5 (
D
M
ESCRIPTION
LOSMUT
Enable
= 0-5 & 8-D)
B
R/W
R
IT
EGISTERS
2
Monitor Mode
Receive
(RC_
Enable
B
R/W
IT
1
N
)
(
N
= [0:11])
Equalizer
Receive
Enable
REV. 1.0.3
B
R/W
IT
0
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