NXP Semiconductors MC9S12G - Page 1173

240 KByte Flash Module (S12FTMRG240K2V1)
MC9S12G Family Reference Manual Rev.1.27
NXP Semiconductors 1175
If a reset occurs while any Flash command is in progress, that command will be immediately aborted. The
state of the word being programmed or the sector/block being erased is not guaranteed.