參數(shù)資料
型號： DS3112DK
廠商： Maxim Integrated Products
文件頁數(shù)： 77/133頁
文件大?。?/td> 0K
描述： KIT DEMO FOR DS3112
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，交叉點(diǎn)開關(guān)/多路復(fù)用器
已用 IC / 零件： DS3112
已供物品： 板，CD
DS3112
48 of 133
5
T3/E3 FRAMER
On the receive side, the T3/E3 framer locates the frame boundaries of the incoming T3 or E3 data stream
and monitors the data stream for alarms and errors. Alarms are detected and reported in T3/E3 Status
Register (T3E3SR) and the T3/E3 Information Register (T3E3INFO), which are described in Section 5.3.
Errors are accumulated in a set of error counters (Section 5.4). The host can force the T3/E3 framer to
resynchronize via the T3E3RSY control bit in the MRID register (Section 4.1). On the transmit side, the
device formats the outgoing data stream with the proper framing pattern and overhead and can generate
alarms. It can also inject errors for diagnostic testing purposes (T3E3EIC register). The transmit side of
the framer is called the “formatter.”
The T3/E3 framer and formatter can be used in conjunction with the multiplexer or as a stand-alone
framer. This selection is made in the Master Configuration 1 (MC1) register (Section 4.2).
5.1 T3/E3 Line Loopback
The line loopback loops the incoming T3/E3 data (the HRCLK, HRPOS, and HRNEG inputs) directly
back to the transmit side (the HTCLK, HTPOS, and HTNEG outputs). When this loopback is enabled, the
incoming receive data continues to pass through the device but the data output from the T3/E3 formatter
is replaced with the data being input to the device. See the block diagrams in Section 1 for a visual
description of this loopback.
5.2 T3/E3 Diagnostic Loopback
The diagnostic loopback loops the outgoing T3/E3 data from the T3/E3 formatter back to receive side
framer. When this loopback is enabled, the incoming receive data at HRCLK, HRPOS, and HRNEG is
ignored. See the block diagrams in Section 1 for a visual description of this loopback. Please note that the
device can still generate AIS at the HTCLK, HTPOS, and HTNEG outputs when this loopback is
invoked. This is important to keep the data that is being looped back from disturbing downstream
equipment.
5.3 T3/E3 Payload Loopback
The payload loopback loops the framed T3/E3 data from the receive side framer back to the transmit side
formatter. When this loopback is enabled, the incoming receive data continues to pass through the device
but the data normally being input to the T3/E3 formatter is ignored. See the block diagrams in Section 1
for a visual description of this loopback.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS3112N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3112N+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3112N+W 功能描述:網(wǎng)絡(luò)控制器與處理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS3112NC1 制造商:Maxim Integrated Products 功能描述:T3 E3 MULTIPLEXER, 3.3V T3/E3 FRAMER AND M13/E13/G.747 MUX - Rail/Tube
DS3112ND1E 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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