STM32L412R8U6PTR datasheet(125/192 Pages) STMICROELECTRONICS

部件名	STM32L412R8U6PTR

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

标志

125 / 192 page

DS12469 Rev 8

125/192

STM32L412xx

Electrical characteristics

164

Figure 27. HSI48 frequency versus temperature

Low-speed internal (LSI) RC oscillator

NT jitter

Next transition jitter

Accumulated jitter on 28 cycles(4)

+/-0.15(2)

-ns

PT jitter

Paired transition jitter

Accumulated jitter on 56 cycles(4)

+/-0.25(2)

-ns

1. VDD = 3 V, TA = –40 to 125°C unless otherwise specified.

2. Guaranteed by design.

3. Guaranteed by characterization results.

4. Jitter measurement are performed without clock source activated in parallel.

Table 59. HSI48 oscillator characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

MSv40989V1

-6

-4

-2

-50

-30

-10

110

130

Avg

min

max

°C

Table 60. LSI oscillator characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max Unit

fLSI

LSI Frequency

VDD = 3.0 V, TA = 30 °C

31.04

32.96

kHz

VDD = 1.62 to 3.6 V, TA = -40 to 125 °C

29.5

tSU(LSI)(2)

LSI oscillator start-

up time

130

μs

tSTAB(LSI)(2)

LSI oscillator

stabilization time

5% of final frequency

125

180

μs

IDD(LSI)(2)

LSI oscillator power

consumption

110

180

1. Guaranteed by characterization results.

2. Guaranteed by design.

STM32L412R8U6PTR 数据表(PDF) 125 Page - STMicroelectronics

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