Q32M210 Datasheet, PDF (44/50 Pages) ON Semiconductor – Precision Mixed-Signal 32-bit Microcontroller SPI/SQI interface.

Voltage
Battery Insertion
VDDD
VDDD_th0
VDDD_th1
Q32M210
Battery Removal
Supply Transient
Battery End−of−Life
Time
Reset
Figure 31. Power Supervisor
Time
Operating Modes
VBAT
POR
(Internal)
VDDD
WAKEUP0 Event¹
Internal
Oscillator
RTC
Battery Insertion
Run Mode
POR gets released
VDDD
enabled
VDDD reaches
operating voltage
Internal
oscillator
enabled
RTC oscillator
starts
Sleep Mode
Run Mode
VDDD disabled
VDDD
enabled
VDDD reaches
operating voltage
Internal oscillator
disabled
WAKEUP
event
Internal oscillator
enabled
Figure 32. Entering Sleep Mode
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