Cypress FM4 Series - Page 149

CHAPTER 3: Clock Supervisor
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 149
Thus, you can recognize that a main clock frequency out of the 3.4 MHz to 4.6 MHz range is anomalous.
Table 5-1 provides an example of the window settings.
Table 5-1 Example of Window Settings
Divided Clock of
High-speed CR
Main Clock
High-speed
CR Error
Count Value including
High-speed CR Error
Lower Limit of
Window Set Value
Upper Limit of
Window Set Value
Divide-by-1024 clocks of
CR:4 MHz
4 MHz
±5%
975 ( 3.61 MHz) - 1078
( 4.42 MHz)
926
( 3.43 MHz)
1131
( 4.64 MHz)