mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 1184

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

Chapter 28 256 Kbyte Flash Module (S12XFTX256K2V1)
1184
Bit Polling for
Command
Completion Check
Execute Sector Erase Command Flow
Sector Erase
Completed
Figure 28-31. Example Sector Erase Abort Command Flow
Read: FSTAT register
yes
CCIF
EXIT
Set?
Bit Polling for
Command
Completion Check
Access
Error Check
MC9S12XDP512 Data Sheet, Rev. 2.17
1.
2.
3.
Sector Erase
Completed
no
Write: Dummy Flash Address
and Dummy Data
Write: FCMD register
Sector Erase Abort Cmd 0x47
Write: FSTAT register
Clear CBEIF 0x80
Read: FSTAT register
Needed?
yes
yes
ACCERR
no
Erase
Abort
Set?
CCIF
Set?
EXIT
no
yes
no
Sector Erase
Aborted
Clear ACCERR 0x10
Write: FSTAT register
EXIT
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