EMIFA supports asynchronous:
The EMIFA data bus width is up to 16-bits on the ZKB packageand 8 bits on the PTP package. Both devices support up to fifteen address lines and an external wait/interrupt input. Up to four asynchronous chip selects are supported by EMIFA (EMA_CS[5:2]) . All four chip selects are available on the ZKB package. Two of the four are available on the PTP package (EMA_CS[3:2]).
Each chip select has the following individually programmable attributes: