cx28348 Mindspeed Technologies, cx28348 Datasheet - Page 21
cx28348
Manufacturer Part Number
cx28348
Description
Dual/triple/quad/hex/octal-enhanced Ds3/e3 Framer
Manufacturer
Mindspeed Technologies
Datasheet
1.CX28348.pdf
(195 pages)
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CX28342/3/4/6/8 Data Sheet
Table 1-5. Receiver Section Line Side (1 of 2)
28348-DSH-001-B
LINECK1
LINECK2
LINECK3
LINECK4
RXPOS1/
RXNRZ1
RXPOS2/
RXNRZ2
RXPOS3/
RXNRZ3
RXPOS4/
RXNRZ4
RXNEG1/
LCVI1
RXNEG2/
LCVI2
RXNEG3/
LCVI3
RXNEG4/
LCVI4
Pin Label
CX28342 Pin # CX28343 Pin #
12
—
—
14
—
—
13
—
—
2
3
4
12
21
—
14
23
—
13
22
—
2
3
4
Mindspeed Technologies™
CX28344 Pin #
12
21
29
14
23
31
13
22
30
2
3
4
Framers 1
Receive Line
Clock In
Framers 2
Receive Line
Clock In
Framers 3
Receive Line
Clock In
Framers 4
Receive Line
Clock In
Framers 1
Receive
Positive/NRZ
Input
Framers 2
Receive
Positive/NRZ
Input
Framers 3
Receive
Positive/NRZ
Input
Framers 4
Receive
Positive/NRZ
Input
Framers 1
Receive
Negative/Line
Code Violation
Input
Framers 2
Receive
Negative/Line
Code Violation
Input
Framers 3
Receive
Negative/Line
Code Violation
Input
Framers 4
Receive
Negative/Line
Code Violation
Input
Signal Name
I/O
IPD
IPD
IPD
IPD
IPD
IPD
IPD
IPD
I
I
I
I
Line clock input should be
connected to a 44.736 MHz
source in DS3 mode or to a
34.368 MHz source in E3
mode, derived from incoming
receive data.
it is the positive data input. In
unipolar mode it is the NRZ
data input. Sampled on the
rising/falling (programmable)
edge of the receiver input
clock (LINECK).
it is the negative data input. In
unipolar mode, it is the line
code violation input for LCV
counting (if unused tie low).
Sampled on the rising/falling
(programmable) edge of the
receiver input clock (LINECK).
In rail mode and in AMI mode,
In rail mode and in AMI mode,
Definition
Product Description
1
-
11
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