XRT73R12 Datasheet, PDF (78/87 Pages) Exar Corporation – TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT

XRT73R12
REV. P1.0.3
PRELIMINARY
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
TABLE 34: XRT73R12 REGISTER MAP SHOWING RECEIVE CONTROL REGISTERS (RC_N)
TABLE 35: RECEIVE CONTROL REGISTER - CHANNEL N ADDRESS LOCATION = 0XM5
BIT 7
BIT 6
Reserved
BIT 5
BIT 4
BIT 3
Disable DLOS Disable ALOS RxCLKINV
Detector
Detector
R/W
R/W
R/W
BIT 2
LOSMUT
Enable
R/W
BIT 1
Receive
Monitor Mode
Enable
R/W
BIT 0
Receive
Equalizer
Enable
R/W
BIT NUMBER
7-6
5
NAME
Reserved
Disable DLOS
Detector
4
Disable ALOS
Detector
3
RxCLKINV
TYPE
DESCRIPTION
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.
R/W Disable Analog LOS Detector - Channel_n:
This READ/WRITE bit-field is used to either enable or disable the Ana-
log 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.
R/W Receive Clock Invert Select - Channel_n:
This READ/WRITE bit-field is used to select the edge of the RxCLK_n
output 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.
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