cx28348 Mindspeed Technologies, cx28348 Datasheet - Page 37
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 1-14. Receiver Section Line Side (1 of 3)
28348-DSH-001-B
LINECK1
LINECK2
LINECK3
LINECK4
LINECK5
LINECK6
LINECK7
LINECK8
RXPOS1/RXNRZ1
RXPOS2/RXNRZ2
RXPOS3/RXNRZ3
RXPOS4/RXNRZ4
RXPOS5/RXNRZ5
RXPOS6/RXNRZ6
RXPOS7/RXNRZ7
RXPOS8/RXNRZ8
Pin Label
CX28346 Pin #
K18
H19
C20
G20
D19
F17
L20
F19
N2
L3
—
—
K1
P1
—
—
CX28348 Pin #
Mindspeed Technologies™
K18
H19
C20
G20
D19
F17
L20
F19
N2
R4
V1
K1
P1
R2
U2
L3
IPD
IPD
IPD
IPD
IPD
IPD
IPD
IPD
I/O
I
I
I
I
I
I
I
I
Framer 1
Receive Line Clock In
Framer 2
Receive Line Clock In
Framer 3
Receive Line Clock In
Framer 4
Receive Line Clock In
Framer 5
Receive Line Clock In
Framer 6
Receive Line Clock In
Framer 7
Receive Line Clock In
Framer 8
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 5
Receive Positive/NRZ
Input
Framers 6
Receive Positive/NRZ
Input
Framers 7
Receive Positive/NRZ
Input
Framers 8
Receive Positive/NRZ
Input
Signal Name
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.
In rail mode and in AMI mode,
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).
Definition
Product Description
1
-
27
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