STM32L081CB datasheet(69/110 Pages) STMICROELECTRONICS

tên linh kiện	STM32L081CB

Giải thích chi tiết về linh kiện	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC, AES

PDF	110 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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69 / 110 page

DocID027513 Rev 4

69/110

STM32L081xx

Electrical characteristics

Low-speed internal (LSI) RC oscillator

Multi-speed internal (MSI) RC oscillator

Table 42. 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 43. 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

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