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参数资料
| 型号： | DS21FT40 |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PBGA300 |
| 封装： | BGA-300 |
| 文件页数： | 56/87页 |
| 文件大小： | 386K |
| 代理商： | DS21FT40 |
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DS21FT40
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TABLE OF CONTENTS
DESCRIPTION.......................................................................................................................................................................... 1
1.
DS21FT40 PIN DESCRIPTION....................................................................................................................................... 8
2.
DS21FT44 PIN FUNCTION DESCRIPTION............................................................................................................... 16
3.
DS21FT40 REGISTER MAP.......................................................................................................................................... 19
4.
PARALLEL PORT.......................................................................................................................................................... 24
5.
CONTROL, ID AND TEST REGISTERS..................................................................................................................... 24
6.
STATUS AND INFORMATION REGISTERS ............................................................................................................ 33
7.
ERROR COUNT REGISTERS ...................................................................................................................................... 39
8.
DS0 MONITORING FUNCTION.................................................................................................................................. 41
9.
SIGNALING OPERATION............................................................................................................................................ 44
9.1
PROCESSOR BASED SIGNALING ........................................................................................................................ 44
9.2
HARDWARE BASED SIGNALING ........................................................................................................................ 47
10.
PER–CHANNEL CODE GENERATION AND LOOPBACK................................................................................ 47
10.1
TRANSMIT SIDE CODE GENERATION............................................................................................................... 47
10.1.1
Simple Idle Code Insertion and Per–Channel Loopback................................................................................... 47
10.1.2
Per–Channel Code Insertion ............................................................................................................................. 48
10.2
RECEIVE SIDE CODE GENERATION .................................................................................................................. 49
11.
CLOCK BLOCKING REGISTERS .......................................................................................................................... 50
12.
ELASTIC STORES OPERATION ............................................................................................................................ 50
12.1
RECEIVE SIDE......................................................................................................................................................... 51
12.2
TRANSMIT SIDE ..................................................................................................................................................... 51
13.
ADDITIONAL (SA) AND INTERNATIONAL (SI) BIT OPERATION ................................................................ 51
13.1
INTERNAL REGISTER SCHEME BASED ON DOUBLE–FRAME ..................................................................... 51
13.2
INTERNAL REGISTER SCHEME BASED ON CRC4 MULTIFRAME................................................................ 53
14.
HDLC CONTROLLER FOR THE SA BITS OR DS0 ............................................................................................. 55
14.1
GENERAL OVERVIEW.................................................................................................................................................. 55
14.2
HDLC STATUS REGISTERS ......................................................................................................................................... 56
14.3
BASIC OPERATION DETAILS ........................................................................................................................................ 57
14.4
HDLC REGISTER DESCRIPTION .................................................................................................................................. 58
15.
INTERLEAVED PCM BUS OPERATION .............................................................................................................. 64
16.
TIMING DIAGRAMS................................................................................................................................................. 67
17.
OPERATING PARAMETERS................................................................................................................................... 75
18.
DS21FT40 MECHANICAL DIMENSIONS.............................................................................................................. 86
相关PDF资料 |
PDF描述 |
|---|---|
| DS21FT42 | DATACOM, FRAMER, PBGA300 |
| DS21FT42N | DATACOM, FRAMER, PBGA300 |
| DS21FF42 | DATACOM, FRAMER, PBGA300 |
| DS21FF42N | DATACOM, FRAMER, PBGA300 |
| DS21FT44N | DATACOM, FRAMER, PBGA300 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS21FT40N | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS21FT42 | 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21FT42N | 功能描述:网络控制器与处理器 IC 4x4 16/4x3 12 Chnl T1/T1 Framer RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21FT44 | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS21FT44+ | 功能描述:网络控制器与处理器 IC 4X3 E1 Framer E1 Framer E1 Framer RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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