Comparison of VHDL Verilog and SystemVerilog
Impact User Guide
FPGA Disadvantages
VHDL Reference Guide From Xilinx
The Verilog Hardware Description Language 5E (Thomas & Moorby)
An Introduction to JTAG Boundary Scan From Sun Microelectronics
FPGA & CPLD Architectures, A Tutorial (Stephen Brown & Jonathan Rose)
HDL Chip Design Using VHDL or Verilog (Douglas J Smith) Part 1
HDL Chip Design Using VHDL or Verilog (Douglas J Smith) Part 2
HDL Chip Design Using VHDL or Verilog (Douglas J Smith) Part 3