参数资料
型号: DS21Q42T
厂商: Maxim Integrated Products
文件页数: 62/116页
文件大小: 0K
描述: IC FRAMER ENHANCED T1 4X 128TQFP
标准包装: 72
控制器类型: T1 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
DS21Q42
5 of 116
TABLE OF CONTENTS
1. INTRODUCTION ..............................................................................................................................2
2. DS21Q42 PIN DESCRIPTION .........................................................................................................8
3. DS21Q42 PIN FUNCTION DESCRIPTION .................................................................................15
4. DS21Q42 REGISTER MAP .............................................................................................................22
5. PARALLEL PORT ...........................................................................................................................26
6. CONTROL, ID, AND TEST REGISTERS.....................................................................................26
7. STATUS AND INFORMATION REGISTERS .............................................................................37
8. ERROR COUNT REGISTERS........................................................................................................45
9. DS0 MONITORING FUNCTION ...................................................................................................48
10. SIGNALING OPERATION ............................................................................................................50
10.1. PROCESSOR-BASED SIGNALING ......................................................................................50
10.2. HARDWARE-BASED SIGNALING ......................................................................................52
11. PER–CHANNEL CODE (IDLE) GENERATION AND LOOPBACK .......................................53
11.1. TRANSMIT SIDE CODE GENERATION .............................................................................53
11.1.1. Simple Idle Code Insertion and Per–Channel Loopback .................................................54
11.1.2. Per-Channel Code Insertion.............................................................................................55
11.2. RECEIVE SIDE CODE GENERATION .................................................................................55
11.2.1. Simple Code Insertion .....................................................................................................55
11.2.2. Per-Channel Code Insertion............................................................................................56
12. CLOCK BLOCKING REGISTERS...............................................................................................57
13. ELASTIC STORES OPERATION ............................................................................................... 58
13.1. RECEIVE SIDE........................................................................................................................58
13.2. TRANSMIT SIDE ...................................................................................................................58
13.3. MINIMUM DELAY SYNCHRONOUS RSYSCLK/TSYSCLK MODE ..............................59
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DS21Q42T+ 功能描述:网络控制器与处理器 IC Enhanced Quad 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
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DS21Q43AT+ 功能描述:网络控制器与处理器 IC 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