S912XEQ384J3MALR Freescale Semiconductor, S912XEQ384J3MALR Datasheet - Page 864

• Manufacturer Part Number: S912XEQ384J3MALR
• Description: S912XEQ Series 16 Bit 50 Mhz 384 KB Flash 24 KB Ram Microcontroller - LQFP-112
• Manufacturer: Freescale Semiconductor

Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
864
Clock Register
Written
Check
FCCOB
Availability Check
Access Error and
Protection Violation
Check
Bit Polling for
Command Completion
Check
Figure 24-26. Generic Flash Command Write Sequence Flowchart
Read: FCLKDIV register
Write: FSTAT register (to launch command)
Clear CCIF 0x80
Write to FCCOBIX register
to identify specific command
parameter to load.
Write to FCCOB register
to load required command parameter.
MC9S12XE-Family Reference Manual Rev. 1.24
yes
START
FDIVLD
Set?
Read: FSTAT register
Read: FSTAT register
yes
Parameters?
ACCERR/
no
no
CCIF Set?
yes
Write: FCLKDIV register
Set?
CCIF
FPVIOL
Set?
More
EXIT
no
yes
no
yes
no
Results from previous Command
Clear ACCERR/FPVIOL 0x30
Write: FSTAT register
Note: FCLKDIV must be set after
each reset
Freescale Semiconductor