參數(shù)資料
型號： DS21FT42
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù)： 49/145頁
文件大小： 466K
代理商： DS21FT42
DALLAS SEMICONDUCTOR
DS21FF42/DS21FT42
101899
/1239
RPDV
RIR2.1
Receive Pulse Density Violation.
Set when the receive data stream
does not meet the ANSI T1.403 requirements for pulse density.
Transmit Pulse Density Violation.
Set when the transmit data stream
does not meet the ANSI T1.403 requirements for pulse density.
TPDV
RIR2.0
RIR3: RECEIVE INFORMATION REGISTER 3
(Address=10 Hex)
(MSB)
–
(LSB)
RAIS-CI
–
–
LORC
–
–
–
SYMBOL
POSITION
NAME AND DESCRIPTION
–
–
–
RIR3.7
RIR3.6
RIR3.5
RIR3.4
Not Assigned.
Could be any value when read.
Not Assigned.
Could be any value when read.
Not Assigned.
Could be any value when read.
Loss of Receive Clock.
Set when the RCLK pin has not transitioned
for at least 2 us (3 us 1 us).
Not Assigned.
Could be any value when read.
Not Assigned.
Could be any value when read.
Not Assigned.
Could be any value when read.
Receive AIS-CI Detect.
Set when the AIS-CI pattern is detected.
LORC
–
–
–
RIR3.3
RIR3.2
RIR3.1
RIR3.0
RAIS-CI
SR1: STATUS REGISTER 1
(Address=20 Hex)
(MSB)
LUP
(LSB)
RLOS
LDN
LOTC
RSLIP
RBL
RYEL
RCL
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 20 for details.
Loop Down Code Detected.
Set when the loop down code as defined
in the RDNCD register is being received. See Section 20 for details.
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.
Receive Elastic Store Slip Occurrence.
Set when the receive elastic
store has either repeated or deleted a frame.
Receive Blue Alarm.
Set when an unframed all one’s code is
received at RPOS and RNEG.
Receive Yellow Alarm.
Set when a yellow alarm is received at
RPOS and RNEG.
LDN
SR1.6
LOTC
SR1.5
RSLIP
SR1.4
RBL
SR1.3
RYEL
SR1.2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21FT42N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl T1/T1 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FT44 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
DS21FT44+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4X3 E1 Framer E1 Framer 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FT44N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21FT44N+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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