hi
the features of S3A are so close to S3E that it makes one think - why? Why release a device that is so similar?
I think I have maybe guessed the answer to this - S3A do have internal flash configuration ! That would explain it. It would also correlate to some announcments made 6 months ago about "spartan3 with flash".
I hope I am guessing correctly! :)
Hm if I think more, this would also explain why I initially assumed S3A doesnt support SPI loading - it has internal flash!
I wonder if the internal flash is rewriteable from FPGA logic? If it is not then Xilinx is still behing Lattice, as Lattice XP2 FPGAs do allow the onchip flash access from user logic (ASFAIK).
Antti