參數(shù)資料
型號： DS21552L
英文描述： 3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers
中文描述： 3.3 DS21352及5V DS21552 T1單芯片收發(fā)器
文件頁數(shù)： 16/137頁
文件大?。?/td> 1094K
代理商： DS21552L
DS21352/DS21552
16 of 137
4.1.1 TRANSMIT SIDE PINS (cont.)
Signal Name:
TLINK
Signal Description:
Transmit Link Data
Signal Type:
Input
If enabled via TCR1.2, this pin will be sampled on the falling edge of TCLK for data insertion into either the FDL stream
(ESF) or the Fs–bit position (D4) or the Z–bit position (ZBTSI). See Section 15 for details.
Signal Name:
Signal Description:
Signal Type:
A pulse at this pin will establish either frame or multiframe boundaries for the transmit side. Via TCR2.2, the DS21352/552
can be programmed to output either a frame or multiframe pulse at this pin. If this pin is set to output pulses at frame
boundaries, it can also be set via TCR2.4 to output double–wide pulses at signaling frames. See Section 20 for details.
TSYNC
Transmit Sync
Input / Output
Signal Name:
Signal Description:
Signal Type:
Only used when the transmit side elastic store is enabled. A pulse at this pin will establish either frame or multiframe
boundaries for the transmit side. Should be tied low in applications that do not use the transmit side elastic store.
TSSYNC
Transmit System Sync
Input
Signal Name:
Signal Description:
Signal Type:
When enabled, this input will sample signaling bits for insertion into outgoing PCM T1 data stream. Sampled on the falling
edge of TCLK when the transmit side elastic store is disabled. Sampled on the falling edge of TSYSCLK when the transmit
side elastic store is enabled.
TSIG
Transmit Signaling Input
Input
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLK with data out of the transmit side elastic store whether the elastic store is enabled or not.
This pin is normally tied to TDATA.
TESO
Transmit Elastic Store Data Output
Output
Signal Name:
Signal Description:
Signal Type:
Sampled on the falling edge of TCLK with data to be clocked through the transmit side formatter. This pin is normally tied to
TESO.
TDATA
Transmit Data
Input
Signal Name:
Signal Description:
Signal Type:
Updated on the rising edge of TCLKO with the bipolar data out of the transmit side formatter. Can be programmed to source
NRZ data via the Output Data Format (CCR1.6) control bit. This pin is normally tied to TPOSI.
TPOSO
Transmit Positive Data Output
Output
相關(guān)PDF資料
PDF描述
DS21552LN 3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers
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DS21354LN 3.3V/5V E1 Single-Chip Transceivers
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21552L+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V T1 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
DS21552LB 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS21552LN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V T1 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
DS21552LN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V T1 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
DS21554 制造商:Maxim Integrated Products 功能描述:
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