STM32L031C4 datasheet(73/126 Pages) STMICROELECTRONICS

部件名	STM32L031C4

功能描述	Access line ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC

PDF	126 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

73 / 126 page

DS10668 Rev 6

73/126

STM32L031x4/6

Electrical characteristics

Figure 24. HSI16 minimum and maximum value versus temperature

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

STM32L031C4 数据表(PDF) 73 Page - STMicroelectronics

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