STM32L462CEU6 datasheet(123/198 Pages) STMICROELECTRONICS

部件名	STM32L462CEU6

功能描述	Ultra-low-power ARM® Cortex®-M4 32-bit MCUFPU, 100DMIPS, 512KB Flash, 160KB SRAM, analog, audio, AES

PDF	198 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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DocID029969 Rev 1

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STM32L462CE STM32L462RE STM32L462VE

Electrical characteristics

174

Figure 23. 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 48. HSI48 oscillator characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 49. 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.

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