Fujitsu F2MC-8FX Hardware Manual page 492

CHAPTER 26 CLOCK SUPERVISOR
Example Startup Flowchart when using the Clock Supervisor
Inserting checking process of the main clock stop detection bit (CSVCR:MM) enables user programs to
control the Fail Safe routine.
Figure 26.4-2 shows the example startup flowchart when using the clock supervisor.
Figure 26.4-2 Example Startup Flowchart when using the Clock Supervisor
Main routine
(PLL clock)
478
Reset generated
CSVCR:MM=1 ?
Yes
Use PLL?
Main routine
(main clock)
Yes
No
Fail Safe routine
(PLL use prohibited)
NO