mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1170

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1)
1170
FCMDB
0x06
0x20
0x40
0x41
0x47
Command
A Flash word must be in the erased state before being programmed.
Cumulative programming of bits within a Flash word is not allowed.
Compress
Program
Sector
Sector
Erase
Erase
Erase
Mass
Abort
NVM
Data
Compress data from a selected portion of the Flash block.
The resulting signature is stored in the FDATA register.
Program a word (two bytes) in the Flash block.
Erase all memory bytes in a sector of the Flash block.
Erase all memory bytes in the Flash block.
A mass erase of the full Flash block is only possible when FPLDIS, FPHDIS and
FPOPEN bits in the FPROT register are set prior to launching the command.
Abort the sector erase operation.
The sector erase operation will terminate according to a set procedure. The Flash sector
should not be considered erased if the ACCERR flag is set upon command completion.
Table 28-18. Flash Command Description
MC9S12XDP512 Data Sheet, Rev. 2.17
CAUTION
Function on Flash Memory
Freescale Semiconductor