Section number Title Page11.3.10.1 Erase Verify All Blocks command............................................................................................ 16911.3.10.2 Erase Verify Block command.................................................................................................... 16911.3.10.3 Erase Verify Flash Section command........................................................................................ 17011.3.10.4 Read once command.................................................................................................................. 17111.3.10.5 Program Flash command........................................................................................................... 17211.3.10.6 Program Once command............................................................................................................17311.3.10.7 Erase All Blocks command........................................................................................................17411.3.10.8 Erase flash block command....................................................................................................... 17411.3.10.9 Erase flash sector command.......................................................................................................17511.3.10.10 Unsecure flash command........................................................................................................... 17611.3.10.11 Verify backdoor access key command.......................................................................................17711.3.10.12 Set user margin level command................................................................................................. 17711.3.10.13 Set factory margin level command............................................................................................ 17911.4 Memory map and register definition.............................................................................................................................18011.4.1 Flash Clock Divider Register (FTMRH_FCLKDIV).................................................................................... 18111.4.2 Flash Security Register (FTMRH_FSEC)..................................................................................................... 18211.4.3 Flash CCOB Index Register (FTMRH_FCCOBIX)...................................................................................... 18311.4.4 Flash Configuration Register (FTMRH_FCNFG)......................................................................................... 18311.4.5 Flash Status Register (FTMRH_FSTAT)...................................................................................................... 18411.4.6 Flash Protection Register (FTMRH_FPROT)............................................................................................... 18511.4.7 Flash Common Command Object Register:High (FTMRH_FCCOBHI)......................................................18611.4.8 Flash Common Command Object Register: Low (FTMRH_FCCOBLO).................................................... 18711.4.9 Flash Option Register (FTMRH_FOPT)....................................................................................................... 187Chapter 12Internal Clock Source (ICS)12.1 Introduction...................................................................................................................................................................18912.1.1 Features.......................................................................................................................................................... 18912.1.2 Block diagram................................................................................................................................................ 19012.1.3 Modes of operation........................................................................................................................................ 190MC9S08SU16 Reference Manual, Rev. 5, 4/201710 NXP Semiconductors