STM32L412RBT6XXX datasheet(124/192 Pages) STMICROELECTRONICS

部件名	STM32L412RBT6XXX

功能描述	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 128KB Flash, 40KB SRAM, analog, ext. SMPS

PDF	192 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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124 / 192 page

Electrical characteristics

STM32L412xx

124/192

DS12469 Rev 8

Figure 26. Typical current consumption versus MSI frequency

High-speed internal 48 MHz (HSI48) RC oscillator

Table 59. HSI48 oscillator characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI48

HSI48 Frequency

VDD=3.0V, TA=30°C

MHz

TRIM

HSI48 user trimming step

0.11(2)

0.18(2)

USER TRIM

COVERAGE

HSI48 user trimming coverage

±32 steps

±3(3)

±3.5(3)

DuCy(HSI48) Duty Cycle

45(2)

-55(2)

ACCHSI48_REL

Accuracy of the HSI48 oscillator

over temperature (factory

calibrated)

VDD = 3.0 V to 3.6 V,

TA = –15 to 85 °C

±3(3)

VDD = 1.65 V to 3.6 V,

TA = –40 to 125 °C

±4.5(3)

DVDD(HSI48)

HSI48 oscillator frequency drift

with VDD

VDD = 3 V to 3.6 V

0.025(3)

0.05(3)

VDD = 1.65 V to 3.6 V

0.05(3)

0.1(3)

tsu(HSI48)

HSI48 oscillator start-up time

2.5(2)

6(2)

μs

IDD(HSI48)

HSI48 oscillator power

consumption

340(2)

380(2)

μA

STM32L412RBT6XXX 数据表(PDF) 124 Page - STMicroelectronics

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