VHDL Cores Logic Functionality Programs: CPU Cores etc.
VHDL-Tools converer, translators for example C-to-VHDL
ATMEL Field Programmable Gate Array Cache Logic design, where part of the FPGA can be reprogrammed without loss of register data, while the remainder of the FPGA continues to operate without disruption http://www.atmel.com/products/FPGA/
Altera Cyclone FPGA This is the first suggestion for the component that will do the involuntary control and timing functions http://www.altera.com/products/devices/cyclone/cyc-index.jsp
VHDL Language Guide VHDL is a programming language that has been designed and optimized for describing the behavior of digital systems http://www.acc-eda.com/vhdlref/