参数资料
型号: DS2180A
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: Digital Transmission Controller
英文描述: DATACOM, FRAMER, PDIP40
封装: 0.600 INCH, DIP-40
文件页数: 21/35页
文件大小: 481K
代理商: DS2180A
DS2180A
28 of 35
PROCESSOR-BASED TRANSMIT SIGNALING INSERTION Figure 23
PROCESSOR-BASED SIGNALING
Many robbed-bit signaling applications utilize a microprocessor to insert transmit signaling data into the
out-going data stream. The circuit shown in Figure 23 “decouples” the processor timing from that of the
DS2180A by use of a small FIFO memory. The processor writes to the FIFO (6 bytes are written: 3 for A
data, 3 for B data) only when signaling updates are required. The system is interrupt-driven from the
transmit multiframe sync input; the processor must update the FIFO prior to Frame 6 (625
s after
interrupt) to prevent data corruption. The application circuit shown supports 193S framing. Additional
hardware is required for 193E applications.
相关PDF资料
PDF描述
DS2180AN DATACOM, FRAMER, PDIP40
DS2181AN DATACOM, FRAMER, PDIP40
DS2181AQN DATACOM, FRAMER, PQCC44
DS2181A DATACOM, FRAMER, PDIP40
DS2181AQ DATACOM, FRAMER, PQCC44
相关代理商/技术参数
参数描述
DS2180A+ 功能描述:网络控制器与处理器 IC T1 Transceiver 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
DS2180AN 功能描述:网络控制器与处理器 IC T1 Transceiver 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
DS2180AQ 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
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DS2180AQ/T&R+ 制造商:Maxim Integrated Products 功能描述:T1 TRANSCEIVER PLCC TRL LF - Tape and Reel