82P2288BB IDT, Integrated Device Technology Inc, 82P2288BB Datasheet - Page 46
82P2288BB
Manufacturer Part Number
82P2288BB
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2288BB.pdf
(362 pages)
Specifications of 82P2288BB
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Not Compliant
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CAS Signaling Multi-Frame
starts to search for CAS Signaling Multi-Frame alignment signal if the
CASEN bit is ‘1’.
nibble (Bit 1 ~ Bit 4) of TS16. Its pattern is ‘0000’. When the pattern is
found in TS16 and the high nibble of the previous TS16 are not all zeros,
the Signaling Multi-Frame synchronization is acquired and it is indicated
with a ‘0’ in the OOSMFV bit. The frame containing the Signaling Multi-
Frame alignment pattern is Frame 0 of Signaling Multi-Frame. The TS16
structure of the Signaling Multi-Frame is shown in Figure 13. The entire
content in TS16 of Frame 0 of Signaling Multi-Frame is ‘0000XYXX’. ‘Y’
is for remote Signaling Multi-Frame alarm indication and ‘X’s are extra
bits. The codeword ‘ABCD’ are the signaling bits for different timeslots.
Functional Description
IDT82P2288
After the Basic Frame has been synchronized, the Frame Processor
The Signaling Multi-Frame alignment pattern is located in the high
46
OCTAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
Figure 13. TS16 Structure Of CAS Signaling Multi-
F15
F0
F1
F2
A
A
A
0
Signaling Multi-Frame
alignment pattern
B
B
B
for TS15
0
for TS1
for TS2
C
C
C
0
TS16 (Bit 1 - Bit 8)
Frame
D
D
D
0
X0
A
A
A
RMAI
JANUARY 10, 2011
Extra Bits
Y
B
for TS17
B
for TS18
B
for TS31
X1
C
C
C
X2
D
D
D
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