STM32L031C6 datasheet(73/118 Pages) STMICROELECTRONICS

Part #	STM32L031C6

Description	Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC

PDF	118 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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DocID027063 Rev 4

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STM32L031x4/6

Electrical characteristics

6.3.8

PLL characteristics

The parameters given in Table 44 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 20.

tSU(MSI)

MSI oscillator startup time

MSI range 0

µs

MSI range 1

MSI range 2

MSI range 3

MSI range 4

MSI range 5

MSI range 6,

Voltage range 1

and 2

3.5

MSI range 6,

Voltage range 3

tSTAB(MSI)(2) MSI oscillator stabilization time

MSI range 0

µs

MSI range 1

MSI range 2

MSI range 3

MSI range 4

2.5

MSI range 5

MSI range 6,

Voltage range 1

and 2

-2

MSI range 3,

Voltage range 3

-3

fOVER(MSI)

MSI oscillator frequency overshoot

Any range to

range 5

-4

MHz

Any range to

range 6

-6

1. This is a deviation for an individual part, once the initial frequency has been measured.

2. Guaranteed by characterization results.

Table 43. MSI oscillator characteristics (continued)

Symbol

Parameter

Condition

Typ

Max Unit

Table 44. PLL characteristics

Symbol

Parameter

Value

Unit

Min

Typ

Max(1)

fPLL_IN

PLL input clock(2)

MHz

PLL input clock duty cycle

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