May 26, 2009 #1 R roddyalan Junior Member level 1 Joined May 15, 2009 Messages 16 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,407 FPGA as an ADC Hi guys, I am designing a circuit that will convert 12V signal into digital through a Comparator and that needs to be read by FPGA. (1) If I don't use a common GND for the comparator and the FPGA, do I have to use Differantial inputs? (2) Which IO Standard do I use, and where can I get their specifications (3) Can someone advise me on VHDL code for the FPGA to read this data and use it as an input. Regards AR
FPGA as an ADC Hi guys, I am designing a circuit that will convert 12V signal into digital through a Comparator and that needs to be read by FPGA. (1) If I don't use a common GND for the comparator and the FPGA, do I have to use Differantial inputs? (2) Which IO Standard do I use, and where can I get their specifications (3) Can someone advise me on VHDL code for the FPGA to read this data and use it as an input. Regards AR