cx28348 Mindspeed Technologies, cx28348 Datasheet - Page 83
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cx28348
Manufacturer Part Number
cx28348
Description
Dual/triple/quad/hex/octal-enhanced Ds3/e3 Framer
Manufacturer
Mindspeed Technologies
Datasheet
1.CX28348.pdf
(195 pages)
- Current page: 83 of 195
- Download datasheet (2Mb)
CX28342/3/4/6/8 Data Sheet
Figure 2-15. Receiver System Side Outputs [RXGAPCK]
28348-DSH-001-B
b)
a)
c)
1.
2.
3.
4.
Figure 2-15
a general data stream that represents seven bits (bits 1, 3, 5, and 7: payload [P]; bit 2:
C
bit 4 is the first bit of next frame).
NOTE:
j
overhead [C]; bits 4 and 6: non-C
P
a.
b.
c.
Internally-used receiver clock (RXCKI or LINECK).
RXDAT, data output.
RXGAPCK, in three of the five modes (ungapped, overhead gapped, non-C
gapped), each available at either rising or falling edge polarity (only showed
for ungapped, but valid for all five modes).
C
P
illustrates the ideal behavior of system-side outputs, in several modes, for
Mindspeed Technologies™
Justification control and Stuff Opportunity bits are viewed as Overhead bits.
O
P
O
P
Internally-used Rx clock,
nominal (RXCKI or LINECK)
RXDAT, data output
RXGAPCK, ungapped mode,
Rising edge polarity (non-inverted)
RXGAPCK, ungapped mode,
falling edge polarity (inverted)
RXGAPCK, overhead gapped mode
RXGAPCK, non-C
j
overhead [O]; bit 3 is the last bit of one frame,
j
gapped mode
Functional Description
2
-
j
37
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