CX28331-1X CONEXANT [Conexant Systems, Inc], CX28331-1X Datasheet - Page 25
CX28331-1X
Manufacturer Part Number
CX28331-1X
Description
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Manufacturer
CONEXANT [Conexant Systems, Inc]
Datasheet
1.CX28331-1X.pdf
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CX28331/CX28332/CX28333
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Table 1-2. CX2833i-3x Pin Definitions (2 of 8)
100985A
CX28331-3x CX28332-3x CX28333-3x
69
—
70
—
—
—
—
—
68
—
—
—
Pin #
—
84
—
85
41
40
—
—
—
83
42
—
—
84
—
85
69
70
41
40
—
83
68
42
Signal Name
RPOS1/
RNEG1/
RPOS2/
RNEG2/
RPOS3/
RNEG3/
RNRZ1
RNRZ2
RNRZ3
RLCV1
RLCV2
RLCV3
RCLK1
RCLK2
RCLK3
RPOS/
RNEG/
RNRZ
RLCV
RCLK
Digital Data Pins
Conexant
Ch1 receive
Positive rail or
NRZ data
Ch1 receive
Negative rail or
line code
violation
Ch2 receive
Positive rail or
NRZ data
Ch2 receive
Negative rail or
line code
violation
Ch3 receive
Positive rail or
NRZ data
Ch3 receive
Negative rail or
line code
violation
Receive clock
Ch1
Receive clock
Ch2
Receive clock
Ch3
Description
I/O/P
O
O
O
O
O
O
O
O
O
Resynchronized receive data intended to be
strobed out by the corresponding RCLK.
When ENDECDIS = 1, these outputs are
positive and negative AMI data (RPOS and
RNEG).
When ENDECDIS = 0, these outputs are
decoded NRZ data (RNRZ) and line code
violation (RLCV). A line code violation is
indicated when RLCV = 1.
See notes on the ENDECDIS pin in the
Control Signals section.
Recovered clock for each channel receiver,
intended for strobing the corresponding
RDAT into the following framer or logic.
Notes
1.0 Pin Description
1.1 Pin Assignments
1-15
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