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| 型号： | IDT82P2828BHG |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 151/154页 |
| 文件大小： | 0K |
| 描述： | IC LIU T1/J1/E1 28+1CH 640-PBGA |
| 标准包装： | 5 |
| 类型： | 线路接口装置（LIU） |
| 规程： | E1 |
| 电源电压： | 3.13 V ~ 3.47 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 640-BGA 裸露焊盘 |
| 供应商设备封装： | 640-PBGA-EP（31x31） |
| 包装： | 托盘 |
| 其它名称： | 82P2828BHG |
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IDT82P2828
28(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Programming Information
96
February 6, 2009
RCF0 - Receive Configuration Register 0
Address: 00AH, 04AH, 08AH, 0CAH, 10AH, 14AH, 18AH, 1CAH, (CH1~CH8)
20AH, 24AH, 28AH, 2CAH, 30AH, 34AH, 38AH, 3CAH, (CH9~CH16)
40AH, 44AH, 48AH, 4CAH, 50AH, 54AH, 58AH, 5CAH, (CH17~CH24)
60AH, 64AH, 68AH, 6CAH, (CH25~CH28)
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 RDn, RDPn, RDNn, RMFn 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)
1: Receive Single Ended line interface. Only RTIPn is used to receive signal. RRINGn should be left open.
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 |
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| IDT82P2916 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:16-Channel High-Density T1/E1/J1 Line Interface Unit |
| IDT82P2916BFG | 功能描述:IC LIU T1/E1/J1 16CH SH 484BGA RoHS:是 类别:集成电路 (IC) >> 接口 - 电信 系列:- 产品培训模块:Lead (SnPb) Finish for COTS 产品变化通告:Product Discontinuation 06/Feb/2012 标准包装:750 系列:* |
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