Altera
Device:
Stratix, Mercury, Apex2,
Apex20KE/KC/K,
ACEX1K, FLEX10KE/KB/KA Xilinx Device:
Virtex2Pro, Virtex2, VIrtexE,
Virtex,
Spartan2E, Spartan2
*I/O Voltage must be +3.3V.
*Flex10K(Vccint=5V), Spartan(Vccint=5V),
SpartanXL(Vccint=3.3V)
is not supported