Cypress FM4 Series - Page 197

CHAPTER 6: Low Power Consumption Mode
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 197
Main Mode Transition Diagram
In main mode, the main oscillator clock is used as the master clock.
Figure 2-3 Main Mode Transition Diagram
Main timer mode
STOP mode
Program reset
RTC mode
Main oscillation stabilization
wait
Other mode
B-1 B-2
B-4
B-5
B-3
B-8
B-7
B-6 SLEEP mode (SLEEPDEEP = 0 and
WFI/WFE instruction)
B-7 Interrupt
B-9
B-8 TIMER mode (SLEEPDEEP = 1, RTCE = 0,
DSTM = 0, STM = 00, WFI/WFE instruction)
B-7
B-10
B-10 STOP mode (SLEEPDEEP = 1, RTCE = 0,
DSTM = 0, STM = 10, WFI/WFE instruction)
B-7
B-11
B-11 Transition to other mode
Deep standby RTC mode
Release of deep standby
transition reset
B-14
B-12
B-13 Deep standby stop mode
(SLEEPDEEP = 1, RTCE = 0,
DSTM = 1, STM = 10, WFI/WFE instruction)
Main sleep mode
B-6
B-7
B-9 RTC mode (SLEEPDEEP = 1, RTCE = 1,
DSTM = 0, STM=10, WFI/WFE instruction)
Deep standby stop mode
B-13
High speed CR oscillation
stabilization wait and low speed
CR oscillation stabilization wait in
Figure 2-1
B-12 Deep standby RTC mode
(SLEEPDEEP = 1, RTCE = 1,
DSTM = 1, STM = 10, WFI/WFE instruction)
B-14 Deep standby return factor
B-14
Main run mode
B-1 Transition to RUN mode (MORDY = 1)
B-2 Start of main oscillator (MORDY = 0)
B-4 Software reset
B-5 Release of software reset
B-3 End of oscillation stabilization wait
(MORDY = 1)
Deep standby transition reset
Deep standby transition reset