STM32WBA62CGF6 datasheet(134/185 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32WBA6xxx

134/185

DS14736 Rev 1

Low-speed internal (LSI) RC oscillator

5.3.12

PLL characteristics

The parameters given in Table 67 are derived from tests performed at ambient temperature

and under the supply voltage conditions summarized in Table 30.

Table 65. LSI1 oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fLSI1

Frequency

VDD = 3.0 V, TJ = 30 °C, LSIPREDIV = 1

0.245 0.25 0.255

kHz

VDD = 3.0 V, TJ = 30 °C, LSIPREDIV = 0

31.4

32.0

32.6

1.71 V ≤ VDD ≤ 3.6 V, TJ = -40 to 85 °C,

LSIPREDIV = 0 (1)

30.4

32.0

33.6

DuCyLSI1

Duty cycle

LSIPREDIV = 1

tSU(LSI1)(2) Startup time

230

260

μs

tSTAB(LSI1)(2) Stabilization time 5% of final frequency

230

260

IDD(LSI1)(2)

Power

consumption

LSIPREDIV = 0

140

255

LSIPREDIV = 1

130

240

1. Evaluated by characterization, not tested in production, unless otherwise specified.

2. Specified by design, not tested in production.

Table 66. LSI2 oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fLSI2

Frequency

kHz

tSU(LSI2)(1)

Startup time

550

750

μs

tSTAB(LSI2)(1) Stabilization time

5% of final frequency

650

1100

∆TEMP(2)

Stability over temperature

-200

200

ppm/ °C

IDD(LSI2)(2)

Power consumption

μA

1. Specified by design, not tested in production.

2. Evaluated by characterization, not tested in production, unless otherwise specified.

Table 67. PLL characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN(1)

PLL input clock

MHz

DuCyPLL_IN(1) PLL input clock duty cycle

fPLL_OUT(1)

PLL output clock P, Q, and R

100

MHz

DuCyPLL_OUT(1) PLL output clock duty cycle

Division 1

fVCO_OUT(1)

PLL VCO output

128

544

MHz

tLOCK(2)

PLL lock time(3)

Integer mode

μs

Fractional mode

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