Datasheet

Chapter 4 Memory
MC9S08DZ128 Series Data Sheet, Rev. 1
Freescale Semiconductor 83
Command Execution,” for a detailed discussion of FLASH and EEPROM programming and erase
operations.
It is not necessary to perform a blank check command after a mass erase operation. Only blank check is
required as part of the security unlocking mechanism.
76543210
R00000000
W FCMD
Reset 00000000
Figure 4-19. FLASH and EEPROM Command Register (FCMD)
Table 4-22. FLASH and EEPROM Commands
Command FCMD Equate File Label
Blank check 0x05 mBlank
Byte program 0x20 mByteProg
Burst program 0x25 mBurstProg
Sector erase 0x40 mSectorErase
Mass erase 0x41 mMassErase
Sector erase abort 0x47 mEraseAbort