APM32F003F4P6-R datasheet(28/56 Pages) GEEHY

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Low speed internal (LIRC) oscillator test

Table 24 LIRC oscillator characteristics

Symbol

Parameter

Min

Typ

Max

Unit

fLIRC

Frequency

128

KHz

ACCLIRC

Accuracy of oscillator

(VDD=3.3-5V,-40°C≤TA≤105°C)

-5

tSU(LIRC)

Startup time of LIRC oscillator

μs

IDD(LIRC)

LIRC oscillator power consumption

μA

Time to wake up from low power mode

HIRC is used as the clock source for wake-up.

Table 25 Wake-up time in low power mode

Symbol

Parameter

Condition

Typ

Max

Unit

tWU(WFI)

Wake-up time

from waiting to

running

fCPU=fMASTER=48MHz

0.61

fCPU=fMASTER=24MHz

1.17

fCPU=fMASTER=12MHz

2.36

fCPU=fMASTER=6MHz

4.67

tWU(AH)

Wake-up time

from active

shutdown

MVR on

Flash

running

HIRC

after

wake-up

5.52

8.36

ACCHIRC

Accuracy of

HIRC

oscillator

User

calibration

Given VDD and

TA, the user

uses the

CLK_HIRCTRI

MR register

for calibration.

-1

Factory

calibration

VDD=3.3-5V,

40°C≤TA≤105°

-5

tSU(HIRC)

HIRC

oscillator

start-up time

(including

calibration)

0.8

μs

IDD(HIRC)

HIRC

oscillator

power

consumption

120

μA

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