STM32MP151A datasheet(150/245 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32MP151A

150/245

DS12500 Rev 1

4 MHz low-power internal RC oscillator (CSI)

40 kHz low-speed internal (LSI) RC oscillator

1. Guaranteed by design unless otherwise specified.

Table 34. CSI oscillator characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fCSI

CSI frequency

VDD = 3.3 V, TJ = 30 °C TBD(2)

4TBD(2)

MHz

TRIM

Trimming step

Trimming code is not a

multiple of 16

-0.85

TBD

Trimming code is a

multiple of 16

TBD

-3.5

TBD

DuCy(CSI)

Duty Cycle

TBD

∆VDD (CSI) +

∆TEMP (CSI)

CSI oscillator frequency drift over

VDD & drift over temperature

VDD = 1.71 to 3.6 V

TJ = 0 to 85 °C

TBD

±1.43(3)

TBD

tsu(CSI)

CSI oscillator startup time

TBD

µs

tstab(CSI)

CSI oscillator stabilization time

(to reach ±5% of fCSI)

TJ = 0 to 85 °C

TBD

cycle

IDD(CSI)

CSI oscillator power consumption

TBD

µA

1. Guaranteed by design.

2. Guaranteed by test in production.

3. Guaranteed by characterization results.

Table 35. LSI oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fLSI

LSI frequency

TJ = 25 °C,

VDD = 3.3 V

(after calibration)

TBD

kHz

TJ = 0 to 110 °C,

VDD = 1.71 to 3.6 V

TBD

TJ = -40 to 110 °C,

VDD = 1.71 to 3.6 V

TBD

TJ = -40 to 125 °C,

VDD = 1.71 to 3.6 V (after

calibration)

TBD

tsu(LSI)(1)

LSI oscillator startup time (Time

between Enable rising and First

output clock edge.)

TBD

µs

tstab(LSI)(1)

LSI oscillator stabilization time

(5% of final value)

110

TBD

IDD(LSI)(1)

LSI oscillator power

consumption

120

TBD

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