参数资料
型号: DS21Q44T+
厂商: Maxim Integrated Products
文件页数: 40/105页
文件大小: 0K
描述: IC FRAMER ENHANCED E1 4X 128TQFP
标准包装: 72
控制器类型: E1 调帧器
接口: 并行/串行
电源电压: 2.97 V ~ 3.63 V
电流 - 电源: 75mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-LQFP(14x20)
包装: 管件
DS21Q44
4 of 105
TABLE OF CONTENTS
1. INTRODUCTION ..............................................................................................................................2
2. DS21Q44 PIN DESCRIPTION .........................................................................................................7
3. DS21Q44 PIN FUNCTION DESCRIPTION .................................................................................13
4. DS21Q44 REGISTER MAP .............................................................................................................20
5. PARALLEL PORT ...........................................................................................................................24
6. CONTROL, ID, AND TEST REGISTERS.....................................................................................24
7. STATUS AND INFORMATION REGISTERS .............................................................................35
8. ERROR COUNT REGISTERS........................................................................................................41
9. DS0 MONITORING FUNCTION ...................................................................................................44
10. SIGNALING OPERATION ............................................................................................................46
10.1 PROCESSOR-BASED SIGNALING ........................................................................................46
10.2 HARDWARE-BASED SIGNALING ........................................................................................49
11. PER–CHANNEL CODE GENERATION AND LOOPBACK ....................................................50
11.1 TRANSMIT SIDE CODE GENERATION ...............................................................................50
11.1.1 Simple Idle Code Insertion and Per-Channel Loopback...................................................50
11.1.2 Per-Channel Code Insertion..............................................................................................51
11.2 RECEIVE SIDE CODE GENERATION...................................................................................52
12. CLOCK BLOCKING REGISTERS................................................................................................53
13. ELASTIC STORES OPERATION .................................................................................................54
13.1 RECEIVE SIDE..........................................................................................................................55
13.2 TRANSMIT SIDE ......................................................................................................................55
14. ADDITIONAL (SA) AND INTERNATIONAL (SI) BIT OPERATION .....................................55
14.1 HARDWARE SCHEME............................................................................................................55
14.2 INTERNAL REGISTER SCHEME BASED ON DOUBLE-FRAME......................................56
14.3 INTERNAL REGISTER SCHEME BASED ON CRC4 MULTIFRAME................................58
相关PDF资料
PDF描述
DS21Q50LN IC TRANSCEIVER E1 QD IND 100LQFP
DS21Q55 IC TXRX QUAD T1/E1/J1 SCT 256BGA
DS21Q59LN+ IC TXRX E1 QUAD 100-LQFP
DS21S07AS+T&R IC TERMINATOR SCSI 16-SOIC
DS21T05Z/T&R IC TERMINATOR SCSI 150MIL 16SOIC
相关代理商/技术参数
参数描述
DS21Q44T+ 功能描述:网络控制器与处理器 IC Enhanced Quad 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
DS21Q44TN 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
DS21Q48 功能描述:网络控制器与处理器 IC 5V Quad E1/T1/J1 Line Interface 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
DS21Q48A3N 功能描述:网络控制器与处理器 IC 5V Quad E1/T1/J1 Line Interface 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
DS21Q48B 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