Title :
VLSI design of Ethernet CSMA/CD physical layer in HUB based on FSM/VHDL and its simulation
Author :
Qian, Min ; Qiu-ping Huang ; Li, Wen-shi
Author_Institution :
Sch. of Electron. & Inf. Eng., Soochow Univ., Suzhou, China
Abstract :
In this paper, the physical layer of Ethernet CSMA/CD of HUB was designed with VHDL. The protocol of physical sub-layer of CSMA/CD was analyzed and the control circuits in HUB were designed with finite state machine (FSM). The whole system included port-controller, arbiter, clocks MUX, FIFO, core-controller and symbol generation and MUX. The functions of CSMA/CD were realized mainly by port-controller. Some parts of source programs were given out. The design was simulated in MAX+PLUS II tools under the clock frequency of 25 MHz. The simulated results demonstrate that the functions of physical sub-layer of CSMA/CD are realized.
Keywords :
VLSI; asynchronous circuits; carrier sense multiple access; finite state machines; integrated circuit design; local area networks; protocols; 25 MHz; Ethernet; MAX+PLUS II tools; VHDL; VLSI design; arbiter; carrier sensor multiaccess; clock frequency; collision detection; control circuits; core-controller; finite state machine; port-controller; protocol; symbol generation; Clocks; Computational modeling; Cyclic redundancy check; Ethernet networks; Multiaccess communication; Physical layer; Protocols; Switches; Transceivers; Very large scale integration;
Conference_Titel :
VLSI Design and Video Technology, 2005. Proceedings of 2005 IEEE International Workshop on
Print_ISBN :
0-7803-9005-9
DOI :
10.1109/IWVDVT.2005.1504462
