STM32L151VC datasheet(78/136 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L151xC STM32L152xC

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DocID022799 Rev 12

Multi-speed internal (MSI) RC oscillator

Table 33. MSI oscillator characteristics

Symbol

Parameter

Condition

Typ

Max Unit

fMSI

Frequency after factory calibration, done at

VDD= 3.3 V and TA = 25 °C

MSI range 0

65.5

kHz

MSI range 1

131

MSI range 2

262

MSI range 3

524

MSI range 4

1.05

MHz

MSI range 5

2.1

MSI range 6

4.2

ACCMSI

Frequency error after factory calibration

±0.5

DTEMP(MSI)(1)

MSI oscillator frequency drift

0 °C

≤TA ≤105 °C

±3-

DVOLT(MSI)(1)

MSI oscillator frequency drift

1.65 V

≤VDD ≤3.6 V, TA = 25 °C

2.5

%/V

IDD(MSI)(2)

MSI oscillator power consumption

MSI range 0

0.75

µA

MSI range 1

MSI range 2

1.5

MSI range 3

2.5

MSI range 4

4.5

MSI range 5

MSI range 6

tSU(MSI)

MSI oscillator startup time

MSI range 0

µs

MSI range 1

MSI range 2

MSI range 3

MSI range 4

MSI range 5

MSI range 6,

Voltage range 1

and 2

3.5

MSI range 6,

Voltage range 3

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