參數(shù)資料
型號： DS21348T
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Interface
英文描述： DATACOM, PCM TRANSCEIVER, PQFP44
封裝： TQFP-44
文件頁數(shù)： 45/67頁
文件大?。?/td> 339K
代理商： DS21348T
DS21348/Q348
5 of 67
2. LIST OF TABLES
Table 4-1 BUS INTERFACE SELECTION................................................................................................. 9
Table 4-2 PIN ASSIGNMENT ................................................................................................................... 10
Table 4-3 PIN DESCRIPTIONS (Sorted by Pin Name, DS21348T Pin Numbering)................................11
Table 4-4 LOOP BACK CONTROL IN HARDWARE MODE................................................................ 15
Table 4-5 TRANSMIT DATA CONTROL IN HARDWARE MODE...................................................... 15
Table 4-6 RECEIVE SENSITIVITY SETTINGS ......................................................................................15
Table 4-7 MONITOR GAIN SETTINGS................................................................................................... 15
Table 4-8 INTERNAL RX TERMINATION SELECT .............................................................................15
Table 4-9 MCLK SELECTION .................................................................................................................. 15
Table 5-1 REGISTER MAP ....................................................................................................................... 18
Table 6-1 MCLK SELECTION .................................................................................................................. 24
Table 6-2 RECEIVE SENSITIVITY SETTINGS ......................................................................................26
Table 6-3 BACK PLANE CLOCK SELECT ............................................................................................. 27
Table 6-4 MONITOR GAIN SETTINGS................................................................................................... 27
Table 6-5 INTERNAL RX TERMINATION SELECT .............................................................................28
Table 7-1 RECEIVED ALARM CRITERIA..............................................................................................30
Table 7-2 RECEIVE LEVEL INDICATION ............................................................................................. 33
Table 8-1 TRANSMIT CODE LENGTH ................................................................................................... 35
Table 8-2 RECEIVE CODE LENGTH....................................................................................................... 35
Table 8-3 DEFINITION OF RECEIVED ERRORS .................................................................................. 39
Table 8-4 FUNCTION OF ECRS BITS AND RNEG PIN ........................................................................40
Table 9-1 LINE BUILD OUT SELECT FOR E1 IN REGISTER CCR4 (ETS = 0) ................................. 43
Table 9-2 LINE BUILD OUT SELECT FOR T1 IN REGISTER CCR4 (ETS = 1) ................................. 43
Table 9-3 TRANSFORMER SPECIFICATIONS FOR 3.3V OPERATION.............................................43
Table 10-1 DS21Q348 PIN ASSIGNMENT ..............................................................................................50
相關(guān)PDF資料
PDF描述
DS21348TN DATACOM, PCM TRANSCEIVER, PQFP44
DS21348G DATACOM, PCM TRANSCEIVER, BGA49
DS21Q348N DATACOM, PCM TRANSCEIVER, PBGA144
DS21Q348 DATACOM, PCM TRANSCEIVER, PBGA144
DS21352L DATACOM, PCM TRANSCEIVER, PQFP100
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21348T+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line 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
DS21348TB 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
DS21348TN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line 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
DS21348TN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3.3V E1/T1/J1 Line 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
DS21348TNB 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
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