SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 74
Version 1.1
4.5 STATE MACHINE OF PMU
Reset
Run
mode
Deep-sleep
mode
Sleep
mode
Wake-up condition
Interrupt
Wake-up condition
GPIO Wakeup
RTC interrupt
LCD interrupt
CT16B5 interrupt
Reset condition
One of reset trigger sources
actives
Reset condition
One of reset trigger sources
actives
Enter mode condition
1. PMU_CTRL = 4
2. WFI instruction
Enter mode condition
1. PMU_CTRL = 2
2. WFI instruction