1.
1. 非常好的VHDL设计资源
http://www.altera.com.cn/end-markets/refdesigns/ref-index.jsp
http://www.altera.com.cn/end-markets/refdesigns/sys-sol/indust_mil/indust-mil-index.jsp

http://www.altera.com.cn/end-markets/refdesigns/ref-index.jsp - 外文
2. VHDL-Online 酷
http://www.vhdl-online.de/~vhdl/ - 外文
3. VHDL Library of Arithmetic Units
http://www.iis.ee.ethz.ch/~zimmi/arith_lib.html - 外文
4. VHDL Examples of Altera
The following examples provide instructions for implementing functions using very high-speed integrated circuit hardware description language (VHDL). For more information on VHDL, refer to Quartus® II or MAX+PLUS® II software Help.
http://www.altera.com/support/examples/vhdl/vhdl.html - 外文
5. The Designers Guide to VHDL
http://www.doulos.com/knowhow/vhdl_designers_guide/ - 外文
6. Xilinx的中文设计资源站点,大量的资料提供,强烈推荐!
http://www.xilinx-china.com/products/design_resources/ - 中文
7. VHDL Tutorial: Learn by Example
http://csold.cs.ucr.edu/content/esd/labs/tutorial/ - 外文
8. Handling Busses In VHDL
http://wwwce.web.cern.ch/wwwce/dc/Visual/Visual_doc/busses_in_vhdl.html - 外文
9. vhdl content 指南推荐
http://www.vhdl-online.de/~vhdl/TUTORIAL/englisch/inhalt.htm - 外文
10. VHDL & Verilog Compared & Contrasted
http://www.bawankule.com/verilogcenter/verilogvhdl.html - 中文
11. 21IC 的EDA/PLD -设计文档中心
http://eda.21ic.com/ - 中文
12. Writing Testbenches: Complete Source Code
http://janick.bergeron.com/wtb/src/index.html - 外文
13. LATTICE中文培训教程
LATTICE公司的关于EDA开发的在线资料,需要注册才可以用,不错.
http://www.latticesemi.com.cn/LSH_web/part1/traing_room/training_material/index.htm - 中文
14. Aldec 公司的一些在线教程关于VHDL,verilog
http://www.aldec.com/downloads/ - 外文