参数资料
型号: IDT82P20416DBFG
厂商: IDT, Integrated Device Technology Inc
文件页数: 39/121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
Functional Description
24
December 17, 2009
3.2.7
RECEIVER POWER DOWN
Set the R_OFF bit (b5, RCF0,...) to ‘1’ will power down the corre-
sponding receiver.
In this way, the corresponding receive circuit is turned off and the
RTIPn/RRINGn pins are forced to High-Z state. The pins on receive
system interface (including RDn/RDPn, RDNn, RCLKn) will be in High-Z
state if the RHZ bit (b6, RCF0,...) is ‘1’ or in low level if the RHZ bit (b6,
RCF0,...) is ‘0’.
After clearing the R_OFF bit (b5, RCF0,...), it will take 1 ms for the
receiver to achieve steady state, i.e., to return to the previous configura-
tion and performance.
3.3
TRANSMIT PATH
3.3.1
TRANSMIT SYSTEM INTERFACE
The data from the system side is input to the device in three modes:
Single Rail NRZ Format mode, Dual Rail NRZ Format mode and Dual
Rail RZ Format mode, as selected by the T_MD[1:0] bits (b1~0,
If data is input on TDn in NRZ format and a 1.544 MHz (in T1/J1
mode) or 2.048 MHz (in E1 mode) clock is input on TCLKn, the transmit
system interface is in Single Rail NRZ Format mode. In this mode, the
data is encoded and sampled on the active edge of TCLKn.
If data is input on TDPn and TDNn in NRZ format and a 1.544 MHz
(in T1/J1 mode) or 2.048 MHz (in E1 mode) clock is input on TCLKn, the
transmit system interface is in Dual Rail NRZ Format mode. In this
mode, the data is pre-encoded and sampled on the active edge of
TCLKn.
If data is input on TDPn and TDNn in RZ format and no transmit
clock is input, the transmit system interface is in Dual Rail RZ Format
mode. In this mode, the data is pre-encoded.
Table-4 summarizes the multiplex pin used in different transmit
system interface.
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IDT82P20416DBFGBLANK 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:16-Channel Short Haul T1/E1/J1 Line Interface Unit
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