APM32F103CBT6-R datasheet(42/78 Pages) GEEHY

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P a g e 41

5.7.7

Backup Domain Power Consumption

Table 31VBAT Power Consumption

Symbol

Parameter

Condition

Typical value (1), TA=25℃

Maximum value (1), V

BAT=3.6V

Unit

VBAT=2.4V

VBAT=3.3V

VBAT=3.6V

TA=85℃

TA=105℃

μA

IDD_VBAT

Backup

area

Supply

current

The low-speed

oscillator and RTC

are in ON state

1.03

1.34

1.47

3.31

4.95

Note: The data are obtained from a comprehensive evaluation and are not tested in production.

5.8

Wake-up time in low-power mode

The time values in the table are measured using an 8MHz HSICLK oscillator as the wake-up

clock source at the wake-up stage. The clock source used when wake-up depends on the

current operation mode:

 Stop or standby mode: The clock source is RC oscillator

 Sleep mode: The clock source is the clock set when entering sleep mode

Table 32Wake-up time in low-power mode

Symbol

Parameter

Typical

value

Unit

tWUSLEEP(1)

Wake up from sleep mode

0.56

μs

tWUSTOP(1)

Wake up from stop mode (the voltage regulator is in operation mode)

2.29

μs

Wake up from stop mode (the voltage regulator is in low-power mode)

3.66

tWUSTDBY(1)

Wake up from standby mode

32.62

μs

The wake-up time is measured from the start of the wake-up event to the first instruction read by

the user program.

5.9

I/O port characteristics

Table33 DC Characteristics (TA=-40℃-105℃, VDD=2.7~3.6V)

Symbo

Parameter

Condition

Minimum

value

Typical

Maximum

value

Unit

VIL

Low-level input voltage

TTL port

-0.5

0.8

VIH

Standard I/O pin, high-level input

voltage

VDD+0.5

FT I/O pin (1), high-level input voltage

5.5

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