參數(shù)資料
型號： DS21Q48
英文描述： 5V E1/T1/J1 Line Interface
中文描述： 5V、E1/T1/J1線路接口
文件頁數(shù)： 3/75頁
文件大?。?/td> 544K
代理商： DS21Q48
DS2148/Q48
3 of 75
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.........................................................................................................................22
5.1
REGISTER MAP..........................................................................................................................23
5.2
PARALLEL PORT OPERATION................................................................................................24
5.3
SERIAL PORT OPERATION......................................................................................................24
6. CONTROL REGISTERS....................................................................................................................28
6.1
DEVICE POWER-UP AND RESET............................................................................................31
7
STATUS REGISTERS .......................................................................................................................34
8. DIAGNOSTICS..................................................................................................................................39
8.1
IN-BAND LOOP CODE GENERATION AND DETECTION...................................................39
8.2
LOOPBACKS...............................................................................................................................43
8.2.1
Remote Loopback (RLB).........................................................................................................43
8.2.2
Local Loopback (LLB)............................................................................................................43
8.2.3
Analog Loopback (LLB) .........................................................................................................44
8.2.4
Dual Loopback (DLB) ............................................................................................................44
8.3
PRBS GENERATION AND DETECTION .................................................................................44
8.4
ERROR COUNTER......................................................................................................................44
8.4.1
Error Counter Update ............................................................................................................45
8.5
ERROR INSERTION....................................................................................................................45
9. ANALOG INTERFACE.....................................................................................................................46
9.1 RECEIVER ....................................................................................................................................46
9.2 TRANSMITTER...........................................................................................................................47
9.3 JITTER ATTENUATOR..............................................................................................................47
9.4 G.703 SYNCHRONIZATION SIGNAL......................................................................................48
10. DS21Q48 QUAD LIU.........................................................................................................................56
11. DC CHARACTERISTICS..................................................................................................................60
12. AC CHARACTERISTICS..................................................................................................................62
13. MECHANICAL DIMENSIONS.........................................................................................................71
13.1 MECHANICAL DIMENSIONS—QUAD VERSION.................................................................73
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q48A3N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V Quad 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
DS21Q48B 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
DS21Q48C 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
DS21Q48N 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 5V Quad 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
DS21Q48NB 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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