Cypress FM4 Series - Page 199

CHAPTER 6: Low Power Consumption Mode
FM4 Peripheral Manual, Doc. No. 002-04856 Rev. *E 199
Sub Mode Transition Diagram
In sub mode, the sub oscillator clock is used as the master clock.
Figure 2-5 Sub Mode Transition Diagram
Sub timer mode
STOP mode
Program reset
RTC mode
Sub oscillation stabilization
wait
Other mode
D-1 D-2
D-4
D-5
D-3
D-8
D-7
D-6 SLEEP mode (SLEEPDEEP = 0, WFI/WFE instruction)
D-7 Interrupt
D-9
D-8 TIMER mode (SLEEPDEEP = 1, RTCE = 0,
DSTM = 0, STM = 00, WFI/WFE instruction)
D-7D-10
D-10 STOP mode (SLEEPDEEP = 1, RTCE = 0,
DSTM = 0, STM = 10, WFI/WFE instruction)
D-7
D-11
D-11 Transition to other mode
Deep standby RTC mode
Deep standby transition reset
D-14
D-12
D-13 Deep standby stop mode
(SLEEPDEEP = 1, RTCE = 0,
DSTM = 1, STM = 10, WFI/WFE instruction)
Sub sleep mode
D-6
D-7
D-9 RTC mode (SLEEPDEEP = 1, RTCE = 1,
DSTM = 0, STM = 10, WFI/WFE instruction)
Deep standby stop mode
D-13
High speed CR oscillation
stabilization wait and low speed
CR oscillation stabilization wait in
Figure 2-1
D-12 Deep standby RTC mode
(SLEEPDEEP = 1, RTCE = 1,
DSTM = 1, STM = 10, WFI/WFE instruction)
D-14 Deep standby return factor
D-14
Sub run mode
D-1 Transition to RUN mode
(SORDY = 1)
D-2 Start of sub oscillation
(SORDY = 0)
D-4 Software reset
D-5 Release of software reset
D-3 End of oscillation stabilization wait
(SORDY = 1)
Deep standby transition reset
Deep standby transition reset