參數(shù)資料
型號(hào)： DS2154L
英文描述： Enhanced E1 Single Chip Transceiver
中文描述： 增強(qiáng)素E1單芯片收發(fā)器
文件頁(yè)數(shù)： 27/87頁(yè)
文件大?。?/td> 1106K
代理商： DS2154L
DS2154
27 of 87
FRAMER LOOPBACK
When CCR1.7 is set to a 1, the DS2154 will enter a Framer LoopBack (FLB) mode. See Figure 1-1 for
more details. This loopback is useful in testing and debugging applications. In FLB, the DS2154 will loop
data from the transmit side back to the receive side.
When FLB is enabled, the following will occur:
1.
Data will be transmitted as normal at TPOSO and TNEGO.
2.
Data input via RPOSI and RNEGI will be ignored.
3.
The RCLK output will be replaced with the TCLK input.
CCR2: COMMON CONTROL REGISTER 2
(Address=1A Hex)
(MSB) (LSB)
ECUS
VCRFS
AAIS
ARA
RSERC
LOTCMC
RFF
RFE
SYMBOL
POSITION
NAME AND DESCRIPTION
ECUS
CCR2.7
Error Counter Update Select.
See Section 5 for details.
0=update error counters once a second
1=update error counters every 62.5 ms (500 frames)
VCRFS
CCR2.6
VCR Function Select.
See Section 5 for details.
0=count BiPolar Violations (BPVs)
1=count Code Violations (CVs)
AAIS
CCR2.5
Automatic AIS Generation.
0=disabled
1=enabled
ARA
CCR2.4
Automatic Remote Alarm Generation.
0=disabled
1=enabled
RSERC
CCR2.3
RSER Control.
0=allow RSER to output data as received under all conditions
1=force RSER to 1 under loss of frame alignment conditions
LOTCMC
CCR2.2
Loss of Transmit Clock Mux Control.
Determines whether the
transmit side formatter should switch to the ever-present
RCLKO if the TCLK should fail to transition (see Figure 1-1).
0=do not switch to RCLKO if TCLK stops
1=switch to RCLKO if TCLK stops
RFF
CCR2.1
Receive Force Freeze.
Freezes receive side signaling at RSIG
(and RSER if CCR3.3=1); will override Receive Freeze Enable
(RFE). See Section 7-2 for details.
0=do not force a freeze event
1=force a freeze event
RFE
CCR2.0
Receive Freeze Enable.
See Section 7-2 for details.
0=no freezing of receive signaling data will occur
1=allow freezing of receive signaling data at RSIG (and RSER if
CCR3.3=1).
相關(guān)PDF資料
PDF描述
DS2154LN Enhanced E1 Single Chip Transceiver
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DS2155 T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface
DS2156 T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface
DS2156L T1/E1/J1 Single-Chip Transceiver TDM/UTOPIA II Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2154L+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced E1 Transceiver 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
DS2154LA2 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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
DS2154LA2+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced E1 Transceiver 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
DS2154L-C01 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS2154LD1 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Enhanced E1 Transceiver 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
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