82P2821BH IDT, Integrated Device Technology Inc, 82P2821BH Datasheet - Page 105
82P2821BH
Manufacturer Part Number
82P2821BH
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.82P2821BH.pdf
(151 pages)
Specifications of 82P2821BH
Number Of Transceivers
1
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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LOOP - Loopback Control Register
Address: 019H, 059H, 099H, 0D9H, 119H, 159H, 199H, 1D9H, (CH1~CH8)
Type: Read / Write
Default Value: 00H
Programming Information
IDT82P2821
7 - 4
Bit
3
2
1
0
219H, 259H, 299H, 2D9H, 319H, 359H, 399H, 3D9H, (CH9~CH16)
419H, 459H, 499H, 4D9H, 519H, (CH17~CH21)
7D9H (CH0)
7
-
AUTOLP
Name
DLP
RLP
ALP
-
6
-
Reserved.
This bit determines whether automatic Digital/Remote Loopback is enabled.
0: Automatic Digital/Remote Loopback is disabled. (default)
1: Automatic Digital/Remote Loopback is enabled. The corresponding channel will enter Digital/Remote Loopback when the acti-
vate IB code is detected in the transmit/receive path for more than 5.1 sec.; and will return from Digital/Remote Loopback when
the deactivate IB code is detected in the transmit/receive path for more than 5.1 sec.
This bit controls whether Digital Loopback is enabled.
0: Disable. (default)
1: Enable.
This bit controls whether Remote Loopback is enabled.
0: Disable. (default)
1: Enable.
This bit controls whether Analog Loopback is enabled.
0: Disable. (default)
1: Enable.
5
-
4
-
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
105
AUTOLP
3
Description
DLP
2
RLP
1
February 6, 2009
ALP
0
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