Have you ever wanted to build sophisticated logic ICs -- not microprocessors, but real digital logic? Sure, microprocessors let you perform lots of sophisticated logic functions in software, but sometimes there is no substitute for real hardware.
http://tutor.al-williams.com/pldx-1.htm
a way of making Original ICs
http://www.hobby-elec.org/e_cpld.htm
a procedure which programs the file(JEDEC) which was made with Xilinx Project Navigator to the device using CPLD programmer.
http://www.hobby-elec.org/e_cpld3_4.htm
a way of using the CPLD development tool( Project Navigator ) of the Xilinx Inc. using the simple model
http://www.hobby-elec.org/e_cpld4_4.htm
A lot of logic devices are housed in CPLD and those connections can be specified by the program.
http://www.hobby-elec.org/e_cpld1.htm