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sdh
- SDH是现代光纤通信中广泛应用的数据传输格式,在SDH帧结构中,前9列为开销字节,它包含了很多重要的信息,本程序为SDH开销的接收处理,查找帧头,分频,勤务话字节E1异步fifo。可拆为三段源代码,不知道能不能抵三个程序-SDH is a modern optical fiber communication is widely used in data transmission format, in the SDH frame structure, as the former 9 overhea
e1_vhdl
- 用VHDL在FPGA内部实现E1的接口,适合通讯相关专业硬件开发使用-Within the FPGA implementation using VHDL E1 interface, the hardware for communications-related professional development to use
SDHAnalysis
- 光纤通信中的SDH数据帧解析及提取的VHDL实现源代码,共包含帧同步、E1及F1码流提取、DCC1码流提取、帧头开销串行输出四个主要模块-SDH fiber-optic communication data frame analysis and retrieval implementation of VHDL source code, include the frame synchronization, E1 and F1 stream extraction, DCC1 stream extra
E1-FramerDeframer
- E1 Framer/Deframer,E1 framer Deframer core implements CCITT (ITU) recommedations G.704,G.706 and G.732 for 30 channel multiplexed E1 stream at 2.048Mbps rate. Note:This project is part of the OpenStacks initiative at the Telecom Software Laborator
32ET_source
- 32时隙的VHDL源代码 在开发E1 2M线路的时候非常有用-32 slot of the VHDL source code in the development of E1 2M lines is very useful when
vhdlcode1
- E1 (FIRST ORDER EUROPE TRANSMISSION STANDARD)vhdl
shift
- E1接收部分主要功能是实现从输入的差分线路数据中恢复出2.048M线路时钟并将数据解码输出。包括解码和线路时钟恢复两模块。-E1 to receive some of the major functions of the difference from the input data lines to recover a clock and data lines 2.048M decoder output. Including decoding and clock recovery circuit
E1framerDeframer
- e1 framer and defremerr vhdl cods
E1
- 在国际标准组织开放式系统互联(OSI)参考模型下,以太网是第二层协议。10G以太网使用IEEE(电气与电子工程师学会)802.3以太网介质访问控制协议(MAC)、IEEE 802.3以太网帧格式以及IEEE 802.3最小和最大帧尺寸。-In the International Standards Organization Open Systems Interconnect (OSI) reference model, Ethernet is the second-layer protocol.
MuxDemux_E1_E3
- Multiplexer and demultiplexer from E1 to E3 stream
HDLC_E1
- E1到HDLC转换 实现E1到以太网 E1到HDLC转换 实现E1到以太网-E1 TO HDLC E1 TO ETHETH
led_control
- 本实验箱采用的液晶显示屏内置的控制器为SED1520,点阵为122×32,需要两片SED1520组成,由E1,E2分别选通,以控制显示屏的左右两半屏。图形液晶显示模块有两种连接方式,一种为直接访问方式,一种为间接访问方式。本实验采用直接控制方式。 直接控制方式就是将液晶显示模块的接口作为存储器或I/O设备直接挂在计算机总线上。计算机通过地址译码器控制E1和E2的选通;读/写操作信号R/W有地址线A1 控制,命令/数据寄存器选择信号由地址线A0控制。 -The experimenta
E1_to_e3_v.2.1
- E1信号到E3复用解复用VHDL代码包括时钟合成-E1 to E3 multiplexing & demultiplexing VHDL code, ,including clock synthesis
muxdemux_4E1(E2)_to_1E2(E3)
- framer Deframer core multiplexed 4 E1(E2)channel s to one E2(E3) stream at 8.448Mbps(34.368Mbps) rate .
MuxDemux_E1_E3
- E3 -Mux / Demux - Multiplexer of 16 E1 Channels-E3 -Mux / Demux - Multiplexer of 16 E1 Channels
E1
- 分析帧同步算法,提供帧同步的状态机实现图以及得到的正确仿真图形。-Analysis of frame synchronization algorithm, to provide frame synchronization state machine implementation plans and get the correct simulation graphics.
V35interface-communicate
- V.35接口与E1接口之间转换的基本原理,介绍了E1信道分时隙通信的基本过程,叙述了基于FPGA用VHDL和QuartusII来仿真本系统设计与实现的过程。-V.35 interface and E1 interface to convert between the basic principles of E1 channel introduces the basic process of communication sub-time slot, described by VHDL and FP
PCK_CRC4_D4
- E1成帧模块,使用VHDL语言设计中的CRC4校验码生成模块-E1 framing module, using the VHDL language design CRC4 check code generation module
e1framerdeframervhdl
- this a vhdl code for e1 framing deframing -this is a vhdl code for e1 framing deframing
e1framerdeframer_latest.tar
- e1 framder deframer.