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参数资料
型号： IDT82P20416DBFG
厂商： IDT, Integrated Device Technology Inc
文件页数： 92/121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
72
December 17, 2009
RCF0 - Receive Configuration Register 0
Address: 00AH, 04AH, 08AH, 0CAH, 10AH, 14AH, 18AH, 1CAH, (CH1~CH8)
20AH, 24AH, 28AH, 2CAH, 30AH, 34AH, 38AH, (CH9~CH15)
7CAH (CH0)
Type: Read / Write
Default Value: 47H
Bit
Name
Description
7
RCKH
This bit determines the output on RCLKn when LLOS is detected. This bit is valid only when LLOS is detected and the AIS and
pattern generation is disabled in the receive path.
0: XCLK. (default)
1: High level.
6
RHZ
This bit determines the output of all receive system interfaced pins (including RDPn, RDNn and RCLKn) when the corresponding
receiver is powered down.
0: Low level.
1: High-Z. (default)
5
R_OFF
This bit determines whether the receiver is powered down.
0: Normal operation. (default)
1: Power down.
4
R120IN
This bit is valid only when the receive line interface is in Receive Differential mode and per-channel internal impedance matching
configuration is enabled. This bit selects the internal impedance matching mode.
0: Partially Internal Impedance Matching mode. An internal programmable resistor (IM) and a value-fixed external resistor (Rr)
are used. (default)
1: Fully Internal Impedance Matching mode. Only an internal programmable resistor (IM) is used.
3
R_SING
This bit determines the receive line interface.
0: Receive Differential line interface. Both RTIPn and RRINGn are used to receive signal from the line side. (default)
2 - 0
R_TERM[2:0] These bits are valid only when impedance matching is configured on a per-channel basis. These bits select the impedance
matching mode of the receive path to match the cable impedance.
In Receive Differential mode:
000: The 100
internal impedance matching is selected for T1 100 twisted pair cable.
001: The 110
internal impedance matching is selected for J1 110 twisted pair cable.
010: The 120
internal impedance matching is selected for E1 120 twisted pair cable.
011: The 75
internal impedance matching is selected for E1 75 coaxial cable.
1XX: External impedance matching is selected for T1 100
, J1 110 , E1 120 twisted pair cable and E1 75 coaxial cable.
In Receive Single Ended mode, only External Impedance Matching is supported and the setting of these bits is a don’t-care.
(default)
7654321
0
RCKH
RHZ
R_OFF
R120IN
R_SING
R_TERM2
R_TERM1
R_TERM0
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相关代理商/技术参数
参数描述
IDT82P20416DBFG8 制造商:Integrated Device Technology Inc 功能描述:IC LIU T1/E1/J1 16CH SH 484BGA
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
IDT82P20516 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:16-Channel Short Haul E1 Line Interface Unit
IDT82P20516BFBLANK 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:16-Channel Short Haul E1 Line Interface Unit
IDT82P20516BFGBLANK 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:16-Channel Short Haul E1 Line Interface Unit
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