"Slaves must always provide a zero wait state OKAY response to BUSY transfers and the transfer must be ignored by the slave. "现在有一种情况,在burst写的过程中master发送busy,此时hready=1,当busy->seq时,此时由于slave内部逻辑还没有准备好接受数据,hready拉低,但是就不符合上面说的zero wait state OKAY的内容,而且VIP也会报错。