參數(shù)資料
型號(hào)： DS2143QN
廠商： Maxim Integrated Products
文件頁數(shù)： 14/44頁
文件大?。?/td> 0K
描述： IC CONTROLLER E1 5V LP 44-PLCC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 26
控制器類型： E1 控制器
接口： 并行/串行
電源電壓： 4.5 V ~ 5.5 V
電流 - 電源： 10mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 44-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 44-PLCC（16.59x16.59）
包裝： 管件
DS2143/DS2143Q
21 of 44
IMR2: INTERRUPT MASK REGISTER 2 (Address=17 Hex)
(MSB)
(LSB)
RMF
RAF
TMF
SEC
TAF
LOTC
RCMF
LORC
SYMBOL
POSITION
NAME AND DESCRIPTION
RMF
IMR2.7
Receive CAS Multiframe.
0 = interrupt masked.
1 = interrupt enabled.
RAF
IMR2.6
Receive Align Frame.
0 = interrupt masked.
1 = interrupt enabled.
TMF
IMR2.5
Transmit Multiframe.
0 = interrupt masked.
1 = interrupt enabled.
SEC
IMR2.4
1-Second Timer.
0 = interrupt masked.
1 = interrupt enabled.
TAF
IMR2.3
Transmit Align Frame.
0 = interrupt masked.
1 = interrupt enabled.
LOTC
IMR2.2
Loss Of Transmit Clock.
0 = interrupt masked.
1 = interrupt enabled.
RCMF
IMR2.1
Receive CRC4 Multiframe.
0 = interrupt masked.
1 = interrupt enabled.
LORC
IMR2.0
Loss of Receive Clock.
0 = interrupt masked.
1 = interrupt enabled.
5.0 ERROR COUNT REGISTERS
There are a set of three counters in the DS2143 that record bipolar violations, errors in the CRC4 SMF
code words, and E-bits as reported by the far end. Each of these three counters are automatically updated
on 1-second boundaries as determined by the 1-second timer in Status Register 2 (SR2.4). Hence, these
registers contain performance data from the previous second. The user can use the interrupt from the 1-
second timer to determine when to read these registers. The user has a full second to read the counters
before the data is lost.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2143QN/T&R 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC CONTROLLER E1 5V LP 44-PLCC
DS2143QN/T&R 功能描述:網(wǎng)絡(luò)控制器與處理器 IC E1 Controller w/Elastic Store 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
DS2143QN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC E1 Controller w/Elastic Store 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
DS21448 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Quad Interface 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
DS21448A1 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Quad Interface 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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