參數(shù)資料
型號： DS21Q42TN
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PQFP128
封裝： TQFP-128
文件頁數(shù)： 56/119頁
文件大?。?/td> 1309K
代理商： DS21Q42TN
DS21Q42
41 of 119
SR1: STATUS REGISTER 1 (Address=20 Hex)
(MSB)
(LSB)
LUP
LDN
LOTC
RSLIP
RBL
RYEL
RCL
RLOS
SYMBOL
POSITION
NAME AND DESCRIPTION
LUP
SR1.7
Loop Up Code Detected. Set when the loop up code as
defined in the RUPCD register is being received. See Section
16 for details.
LDN
SR1.6
Loop Down Code Detected. Set when the loop down code as
defined in the RDNCD register is being received. See Section
16 for details.
LOTC
SR1.5
Loss of Transmit Clock. Set when the TCLK pin has not
transitioned for one channel time (or 5.2 us). Will force the
RLOS/LOTC pin high if enabled via CCR3.5. Also will force
transmit side formatter to switch to RCLK if so enabled via
TCR1.7.
RSLIP
SR1.4
Receive Elastic Store Slip Occurrence. Set when the receive
elastic store has either repeated or deleted a frame.
RBL
SR1.3
Receive Blue Alarm. Set when an unframed all one’s code is
received at RPOS and RNEG.
RYEL
SR1.2
Receive Yellow Alarm. Set when a yellow alarm is received
at RPOS and RNEG.
RCL
SR1.1
Receive Carrier Loss. Set when a red alarm is received at
RPOS and RNEG.
RLOS
SR1.0
Receive Loss of Sync. Set when the device is not
synchronized to the receive T1 stream.
相關(guān)PDF資料
PDF描述
DS21Q42T DATACOM, FRAMER, PQFP128
DS21Q43AT DATACOM, FRAMER, PQFP128
DS21Q44T DATACOM, FRAMER, PQFP128
DS21Q44TN DATACOM, FRAMER, PQFP128
DS21Q48N DATACOM, PCM TRANSCEIVER, PBGA144
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q43A 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad E1 Framer
DS21Q43AT 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Framer 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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q43AT+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Framer 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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q43ATN 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad E1 Framer
DS21Q43-ATN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Framer 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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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