MC9S12C_10 Datasheet, PDF (524/690 Pages) Freescale Semiconductor, Inc – Reference Manual

Chapter 18 32 Kbyte Flash Module (S12FTS32KV1)
18.4.1.3 Valid Flash Commands
Table 18-16 summarizes the valid Flash commands along with the effects of the commands on the Flash
array.
Table 18-16. Valid Flash Commands
FCMD
0x05
0x20
0x40
0x41
Meaning
Erase
Verify
Program
Sector
Erase
Mass
Erase
Function on Flash Array
Verify all bytes in the Flash array are erased.
If the Flash array is erased, the BLANK bit will set in the FSTAT register upon command completion.
Program a word (2 bytes) in the Flash array.
Erase all 512 bytes in a sector of the Flash array.
Erase all bytes in the Flash array.
A mass erase of the full Flash array is only possible when FPLDIS, FPHDIS, and FPOPEN bits in
the FPROT register are set prior to launching the command.
CAUTION
A Flash word must be in the erased state before being programmed.
Cumulative programming of bits within a Flash word is not allowed.
524
MC9S12C-Family / MC9S12GC-Family
Freescale Semiconductor
Rev 01.24