参数资料
型号: IDT82P20416DBFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 103/121页
文件大小: 0K
描述: IC LIU T1/E1/J1 16CH SH 484BGA
标准包装: 84
功能: 线路接口单元(LIU)
接口: E1,J1,T1
电路数: 16
电源电压: 1.8V, 3.3V
功率(瓦特): 3.10W
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 484-LFBGA
供应商设备封装: 484-CABGA(19x19)
包装: 托盘
包括: AIS 警报检测器和发生器,回送功能,PRBS 发生器 / 检测器,远程检测器和发生器
IDT82P20416
16-CHANNEL SHORT HAUL T1/E1/J1 LINE INTERFACE UNIT
Programming Information
82
December 17, 2009
LOOP - Loopback Control Register
Address: 019H, 059H, 099H, 0D9H, 119H, 159H, 199H, 1D9H, (CH1~CH8)
219H, 259H, 299H, 2D9H, 319H, 359H, 399H, (CH9~CH15)
7D9H (CH0)
Type: Read / Write
Default Value: 00H
Bit
Name
Description
7 - 4
-
Reserved.
3
AUTOLP
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.
2
DLP
This bit controls whether Digital Loopback is enabled.
0: Disable. (default)
1: Enable.
1
RLP
This bit controls whether Remote Loopback is enabled.
0: Disable. (default)
1: Enable.
0
ALP
This bit controls whether Analog Loopback is enabled.
0: Disable. (default)
1: Enable.
7654
321
0
--
AUTOLP
DLP
RLP
ALP
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