82P2281PFG8 IDT, Integrated Device Technology Inc, 82P2281PFG8 Datasheet - Page 177
82P2281PFG8
Manufacturer Part Number
82P2281PFG8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2281PFG8.pdf
(371 pages)
Specifications of 82P2281PFG8
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Compliant
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T1/J1 IBCD Detector Status (077H)
LBA:
matched with less than 600 bit errors in each 39.8ms.
LBD:
period.
matched with less than 600 bit errors in each 39.8ms.
T1/J1 IBCD Activate Code (078H)
ACT[7:0]:
ASEL[1:0] bits (b1~0, T1/J1-076H). The unused bits should be ignored. The ACT[7] bit is the MSB and compares with the first received code bit.
T1/J1 IBCD Deactivate Code (079H)
DACT[7:0]:
DSEL[1:0] bits (b3~2, T1/J1-076H). The unused bits should be ignored. The DACT[7] bit is the MSB and compares with the first received code bit.
Programming Information
IDT82P2281
Bit Name
Bit Name
Bit Name
Default
Default
Default
Bit No.
Bit No.
Bit No.
Type
Type
Type
= 0: The activate code is loss. That is, more than 600 bits are not matched with the target activate inband loopback code in a 39.8ms fixed period.
= 1: The activate code is detected. That is, in more than 126 consecutive 39.8ms fixed periods, the target activate inband loopback code is
= 0: The deactivate code is loss. That is, more than 600 bits are not matched with the target deactivate inband loopback code in a 39.8ms fixed
= 1: The deactivate code is detected. That is, in more than 126 consecutive 39.8ms fixed periods, the target deactivate inband loopback code is
The ACT[7:X] bits define the content of the target activate inband loopback code. The ‘X’ is 3, 2, 1 or 0 which depends on the definition by the
The DACT[7:X] bits define the content of the target deactivate inband loopback code. The ‘X’ is 3, 2, 1 or 0 which depends on the definition by the
DACT7
ACT7
R/W
R/W
7
7
0
7
0
DACT6
ACT6
R/W
R/W
6
6
0
6
0
DACT5
ACT5
R/W
R/W
5
5
0
5
1
Reserved
DACT4
ACT4
R/W
R/W
4
4
0
4
0
177
SINGLE T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
DACT3
ACT3
R/W
R/W
3
3
1
3
0
DACT2
ACT2
R/W
R/W
2
2
0
2
1
DACT1
ACT1
R/W
R/W
LBA
R
1
0
1
0
1
0
August 20, 2009
DACT0
ACT0
LBD
R/W
R/W
R
0
0
0
0
0
0
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