Read write data in max ii ufm

Read the MAX II handbook:

http://www.altera.com/literature/lit-max2.jsp

and the MAX II UFM guide:

http://www.altera.com/literature/ug/ug_alt_ufm.pdf‎

Note that the MAX II flash has 100 programming cycles (see the Programming/Erasure Specifications in the handbook).

Depending on your read/write/erase requirements, you might be better off using an SPI flash or Microwire EEPROM.

Cheers,

Dave