K60P100M100SF2RM Datasheet, PDF (671/1809 Pages) Freescale Semiconductor, Inc – K60 Sub-Family Reference Manual

Command Initiation
Enter with CCIF = 1
ERSSCR Command
(Write FCCOB)
Launch/Resume Command
(Clear CCIF)
Next Command
(Write FCCOB)
Yes
CCIF = 1?
No
No
Interrupt?
Chapter 28 Flash Memory Module (FTFL)
Memory Controller
Command Processing
SUSPACK=1
No
Start
New
Resume
ERSSCR
Yes
Restore Erase Algo
Clear SUSPACK = 0
Execute
Yes
Request Suspend
(Set ERSSUSP)
DONE?
Yes
No
ERSSUSP=1? ^No
No
CCIF = 1?
Yes
Yes
Save Erase Algo
Clear ERSSUSP
Service Interrupt
(Read Flash)
ERSSCR
Completed
Yes
ERSSUSP=0?
ERSSCR Suspended No
Set SUSPACK = 1
ERSSCR Suspended
ERSSUSP=1
ERSSCR Completed
ERSSUSP=0
Set CCIF
Yes
Resume Erase?
User Cmd Interrupt/Suspend
No, Abort
Clear ERSSUSP
ERSSUSP: Bit in FCNFG register
SUSPACK: Internal Suspend Acknowledge
Figure 28-35. Suspend and Resume of Erase Flash Sector Operation
K60 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc.
671