IDT82P20416 Integrated Device Technology, IDT82P20416 Datasheet - Page 82

• Manufacturer Part Number: IDT82P20416
• Description: 16-channel Short Haul T1/e1/j1 Line Interface Unit
• Manufacturer: Integrated Device Technology

LOOP - Loopback Control Register
Address: 019H, 059H, 099H, 0D9H, 119H, 159H, 199H, 1D9H, (CH1~CH8)
Type: Read / Write
Default Value: 00H
Programming Information
IDT82P20416
7 - 4
Bit
3
2
1
0
219H, 259H, 299H, 2D9H, 319H, 359H, 399H, (CH9~CH15)
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
-
82
16-CHANNEL SHORT HAUL T1/E1/J1 LINE INTERFACE UNIT
AUTOLP
3
Description
DLP
2
RLP
1
December 17, 2009
ALP
0