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XRT75L04
7
REV. 1.0.4
FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
RECEIVE INTERFACE
PIN #
SIGNAL NAME
TYPE
DESCRIPTION
78
71
143
150
RxCLK_0
RXCLK_1
RxCLK_2
RxCLK_3
O
Receive Clock Output - Channel 0:
Receive Clock Output - Channel 1:
Receive Clock Output - Channel 2:
Receive Clock Output - Channel 3:
By default, RPOS and RNEG data sampled on the rising edge RxCLK..
Set the RxCLKINV bit to sample RPOS/RNEG data on the falling edge of
RxCLK
80
73
141
148
RPOS_0
RPOS_1
RPOS_2
RPOS_3
O
Receive Positive Data Output - Channel 0:
Receive Positive Data Output - Channel 1:
Receive Positive Data Output - Channel 2:
Receive Positive Data Output - Channel 3:
NOTE: If the B3ZS/HDB3 Decoder is enabled in Single-rail mode, then the zero
suppression patterns in the incoming line signal (such as: "00V",
"000V", "B0V", "B00V") is removed and replaced with ‘0’.
79
72
142
149
RNEG_0/LCV_0
RNEG_1/LCV_1
RNEG_2/LCV_2
RNEG_3/LCV_3
O
Receive Negative Data Output/Line Code Violation Indicator -
Channel 0:
Receive Negative Data Output/Line Code Violation Indicator -
Channel 1:
Receive Negative Data Output/Line Code Violation Indicator -
Channel 2:
Receive Negative Data Output/Line Code Violation Indicator -
Channel 3:
In Dual Rail mode, a negative pulse is output through RNEG.
Line Code Violation Indicator - Channel n:
If configured in Single Rail mode then Line Code Violation will be output.
97
106
124
115
RRING_0
RRING_1
RRING_2
RRING_3
I
Receive Ring Input - Channel 0:
Receive Ring Input - Channel 1:
Receive Ring Input - Channel 2:
Receive Ring Input - Channel 3:
These pins along with RTIP receive the bipolar line signal from the remote
DS3/E3/STS-1 Terminal.
98
107
123
114
RTIP_0
RTIP_1
RTIP_2
RTIP_3
I
Receive TIP Input - Channel 0:
Receive TIP Input - Channel 1:
Receive TIP Input - Channel 2:
Receive TIP Input - Channel 3:
These pins along with RRING receive the bipolar line signal from the Remote
DS3/E3/STS-1 Terminal.