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)： 23/67頁
文件大?。?/td> 339K
代理商： DS21348T
DS21348/Q348
3 of 67
TABLE OF CONTENTS
1.
LIST OF FIGURES ...............................................................................................................................4
2.
LIST OF TABLES.................................................................................................................................5
3.
INTRODUCTION .................................................................................................................................6
3.1
DOCUMENT REVISION HISTORY.............................................................................................6
4.
PIN DESCRIPTION..............................................................................................................................9
5.
HARDWARE MODE .........................................................................................................................18
5.1
REGISTER MAP...........................................................................................................................18
5.2
PARALLEL PORT OPERATION ................................................................................................19
5.3
SERIAL PORT OPERATION.......................................................................................................19
6.
CONTROL REGISTERS ....................................................................................................................23
6.1
DEVICE POWER-UP & RESET ..................................................................................................26
7
STATUS REGISTERS........................................................................................................................29
8.
DIAGNOSTICS...................................................................................................................................34
8.1
IN-BAND LOOP CODE GENERATION & DETECTION.........................................................34
8.2
LOOPBACKS................................................................................................................................38
8.2.1
Remote Loopback (RLB)........................................................................................................38
8.2.2
Local Loopback (LLB) ...........................................................................................................38
8.2.3
Analog Loopback (LLB).........................................................................................................39
8.2.4
Dual Loopback (DLB) ............................................................................................................39
8.3
PRBS GENERATION & DETECTION .......................................................................................39
8.4
ERROR COUNTER ......................................................................................................................39
8.4.1
Error Counter Update..............................................................................................................40
8.5
ERROR INSERTION ....................................................................................................................40
9.
ANALOG INTERFACE .....................................................................................................................41
9.1
RECEIVER.....................................................................................................................................41
9.2
TRANSMITTER ...........................................................................................................................42
9.3
JITTER ATTENUATOR...............................................................................................................42
9.4
G.703 SYNCHRONIZATION SIGNAL.......................................................................................43
10. DS21Q348 QUAD LIU .......................................................................................................................50
11. DC CHARACTERISTICS ..................................................................................................................54
12. AC CHARACTERISTICS ..................................................................................................................55
13. MECHANICAL DIMENSIONS .........................................................................................................64
13.1 MECHANICAL DIMENSIONS - QUAD VERSION..................................................................68
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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