Beginning digital from a VHDL perspective по Meador, Don A.

VHDL 101 everything you need to know to get started по Kafig, William

Advances in Power Electronics and Instrumentation Engineering Second International Conference, PEIE 2011, Nagpur, Maharashtra, India, April 21-22, 2011. Proceedings

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Digital system test and testable design using HDL models and architectures по Navabi, Zainalabedin

Available for University of the Philippines Diliman via SpringerLink. Click here to access

Advanced digital design with the Verilog HDL по Ciletti, Michael D.

FPGAs 101 everything you need to know to get started по Smith, Gina R.

Available for University of the Philippines System via ScienceDirect. Click here to access
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Circuit design and simulation with VHDL по Pedroni, Volnei A.

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Fundamentals of digital logic with VHDL design по Brown, Stephen D.

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VHDL for engineers по Short, Kenneth L.

FPGA prototyping by Verilog examples Xilinx Spartan -3 version по Chu, Pong P. 1959-

Available for University of the Philippines Diliman via Wiley Online Library. Click here to access