sc9s12hy64j0vllr Freescale Semiconductor, Inc, sc9s12hy64j0vllr Datasheet - Page 591

• Manufacturer Part Number: sc9s12hy64j0vllr
• Description: S12 Microcontrollers Mcu 16-bit Hcs12 Cisc 32kb Flash 5v Tray
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
FCCOB
Availability Check
Clock Divider
Value Check
Figure 16-26. Generic Flash Command Write Sequence Flowchart
Access Error and
Protection Violation
Check
Bit Polling for
Command Completion
Check
Read: FCLKDIV register
Read: FSTAT register
no
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
yes
START
FDIV
Write: FSTAT register (to launch command)
Clear CCIF 0x80
Correct?
CCIF
Set?
Write to FCCOBIX register
to identify specific command
parameter to load.
Write to FCCOB register
to load required command parameter.
Read: FSTAT register
yes
Parameters?
no
ACCERR/
no
no
CCIF Set?
yes
FPVIOL
Set?
More
EXIT
Read: FSTAT register
yes
yes
no
Write: FCLKDIV register
Results from previous Command
Clear ACCERR/FPVIOL 0x30
Write: FSTAT register
48 KByte Flash Module (S12FTMRC48K1V1)
yes
CCIF
Set?
no
Note: FCLKDIV must be
set after each reset
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