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參數(shù)資料
| 型號(hào)： | IDT82P2816BBG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 95/146頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LINE INTERFACE UNIT 416-PBGA |
| 標(biāo)準(zhǔn)包裝： | 5 |
| 功能： | 線路接口單元（LIU） |
| 接口： | E1，J1，T1 |
| 電路數(shù)： | 1 |
| 電源電壓： | 1.8V, 3.3V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 416-BGA |
| 供應(yīng)商設(shè)備封裝： | 416-PBGA（27x27） |
| 包裝： | 托盤 |
| 包括： | 缺陷和警報(bào)檢測(cè)，驅(qū)動(dòng)器過(guò)流檢測(cè)和保護(hù)，LLOS 檢測(cè)，PRBSARB / IB 檢測(cè)和生成 |
| 產(chǎn)品目錄頁(yè)面： | 1259 (CN2011-ZH PDF) |
| 其它名稱： | 800-1702 82P2816BBG |
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IDT82P2816
16(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Functional Description
52
February 6, 2009
3.5.8.4 Dual Loopback
Dual Loopback refers to the simultaneous implementation of Remote
Loopback and Digital Loopback. Two kinds of combinations are
supported:
Manual Remote Loopback + Manual Digital Loopback;
Manual Remote Loopback + Automatic Digital Loopback.
Note that when Digital Loopback is active, automatic Remote Loop-
back is unavailable as the pattern detection is within the digital loop.
In Dual Loopback mode, the data stream received from the line side
outputs from the RJA (if enabled), loops to the Waveform Shaper inter-
nally and does not output to the system side. The data stream to be
transmitted from the system side outputs from the TJA (if enabled),
loops to the Decoder (if enabled) internally and does not output to the
line side. LLOS, AIS detection in the receive path monitors the data
stream received from the line side. The BPV/CV, EXZ and pattern detec-
tion in the receive path monitors the digital looped data. The BPV/CV,
EXZ, SLOS, AIS and pattern detection in the transmit path monitors the
data stream input from the system side.
Manual Remote Loopback + Manual Digital Loopback
This combination of Dual Loopback is enabled when both manual
Remote Loopback and manual Digital Loopback are enabled. Manual
Remote Loopback is enabled by the RLP bit (b1, LOOP,...). Manual
Digital Loopback is enabled by the DLP bit (b2, LOOP,...).
In this condition, the priority of the diagnostic facilities in the receive
path is: pattern generation > digital looped data; the priority of the diag-
nostic facilities in the transmit path is: remote looped data > pattern
generation. AIS generation is disabled in both the receive path and the
transmit path.
Refer to Figure-31.
Manual Remote Loopback + Automatic Digital Loopback
This combination of Dual Loopback is enabled when both manual
Remote Loopback and automatic Digital Loopback are enabled. Manual
Remote Loopback is enabled by the RLP bit (b1, LOOP,...). Automatic
Digital Loopback is enabled when the pattern detection is assigned in
the transmit path (i.e., the PD_POS bit (b3, PD,...) is ‘1’) and the
AUTOLP bit (b3, LOOP,...) is ‘1’. The corresponding channel will enter
Digital Loopback when the activate IB code is detected in the transmit
path for more than 5.1 sec.; and will return from Digital Loopback when
the deactivate IB code is detected in the transmit path for more than 5.1
sec. Refer to section Inband Loopback (IB) Detection on page 45 for
details. When automatic Digital Loopback is active, setting the AUTOLP
bit (b3, LOOP,...) back to ‘0’ will also stop automatic Digital Loopback.
The setting of the PD_POS bit (b3, PD,...) should not be changed during
automatic Digital Loopback. The AUTOLP_S bit (b7, STAT0,...) indicates
the automatic Digital Loopback status.
In this condition, the priority of the diagnostic facilities in the receive
path is: pattern generation > digital looped data. AIS generation in both
the receive path and the transmit path, the pattern generation in the
transmit path are disabled.
Refer to Figure-32.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT82P2821 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(+1) Channel High-Density T1/E1/J1 Line Interface Unit |
| IDT82P2821BH | 功能描述:IC LIU T1/J1/E1 21+1CH 640-PBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| IDT82P2821BHG | 功能描述:IC LINE INTERFACE UNIT 640-PBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| IDT82P2828 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:28(+1) Channel High-Density T1/E1/J1 Line Interface Unit |
| IDT82P2828BH | 功能描述:IC LIU T1/J1/E1 28+1CH 640-PBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
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