A VHDL Primer
This chapter is designed to give concise and useful summary information on important language constructs and usage in VHDL, hopefully helpful and easy to use, but not necessarily comprehensive. The information is intended for the reader to understand the key concepts in this book. This chapter will introduce the key concepts in VHDL and the important syntax required for most VHDL designs, particularly with reference to FPGAs.
Introduction to VHDL
This chapter of the book is not intended as a comprehensive VHDL reference book as there are many excellent texts available that fit that purpose, including Zwolinski , Navabi , or Ashenden  (full details ...
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