Cypress FM4 Series - Page 135

CHAPTER 2-4: Low-Speed CR Prescaler
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 135
Operation of Low-speed CR Prescaler
For the operation of the Low-speed CR Prescaler, see Figure 3-1.
Figure 3-1 Low-speed CR Prescaler Operation
(1) Sets the Low-speed CR Prescaler Load Register (LCR_PRSLD) in synchronization with the peripheral
clock (PCLK)
(2) Retrieves the value of the Low-speed CR Prescaler Load Register (LCR_PRSLD) at the moment the
Low-speed CR Reload Counter indicates 0.
(3) Outputs the Low-speed CR (CLKLC) at the moment when the Low-speed CR Reload Counter
underflow occurs.
Peripheral Clock (PCLK)
Low-speed CR Prescaler
Reload Register
Low-speed CR
Underflow
CLKLC
Low-speed CR Reload Counter
0
5
4
3
2
1
0
0
2
5
0
5
4
3
2
1
0
2
1
0
2
1
0
2
1