... is fully compatible with original Altera USB-Blaster.1.support target system using 5.0V TTL,3.3V,2.5V LVTTL/LVCMOS2 ... ,APEX,ACEX 1K,Mercury,FLEX 10k,Excalibur FPGAs3.Perform in-system programming of serial configuration devices including EPCS1,EPCS4,EPCS16,EPCS64 ...