STM32L071KB datasheet(80/136 Pages) STMICROELECTRONICS

No. de pieza	STM32L071KB

Descripción Electrónicos	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC

PDF	136 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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80 / 136 page

Electrical characteristics

STM32L071xx

80/136

DocID027101 Rev 3

Low-speed internal (LSI) RC oscillator

Multi-speed internal (MSI) RC oscillator

Table 47. LSI oscillator characteristics

Symbol

Parameter

Min

Typ

Max

Unit

fLSI(1)

1. Guaranteed by test in production.

LSI frequency

kHz

DLSI(2)

2. This is a deviation for an individual part, once the initial frequency has been measured.

LSI oscillator frequency drift



0°C

 TA  85°C

-10

tsu(LSI)(3)

3. Guaranteed by design.

LSI oscillator startup time

200

µs

IDD(LSI)(3) LSI oscillator power consumption

400

510

Table 48. 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  85 °C

3-

MSI oscillator frequency drift



VDD = 3.3 V, − 40 °C  TA  110 °C

MSI range 0

− 8.9

+7.0

MSI range 1

− 7.1

+5.0

MSI range 2

− 6.4

+4.0

MSI range 3

− 6.2

+3.0

MSI range 4

− 5.2

+3.0

MSI range 5

− 4.8

+2.0

MSI range 6

− 4.7

+2.0

DVOLT(MSI)(1)

MSI oscillator frequency drift



1.65 V

 VDD  3.6 V, TA = 25 °C

2.5

%/V

STM32L071KB Datasheet(PDF) 80 Page - STMicroelectronics

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