MC9S12Q128_10 Datasheet, PDF (484/644 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 17 32 Kbyte Flash Module (S12FTS32KV1)
17.4.1.3 Valid Flash Commands
Table 17-16 summarizes the valid Flash commands along with the effects of the commands on the Flash
array.
Table 17-16. 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.
484
MC9S12Q128
Freescale Semiconductor
Rev 1.10