STM32F031G4U7TR 查看數據表（PDF） - STMicroelectronics

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STM32F031G4U7TR

ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers, ADC and communication interfaces, 2.0 - 3.6 V

STMicroelectronics 

Electrical characteristics

STM32F031x4 STM32F031x6

6.3.9

6.3.10

Low-speed internal (LSI) RC oscillator

Table 37. LSI oscillator characteristics(1)

Symbol

Parameter

Min

Typ

fLSI

Frequency

30

tsu(LSI)(2) LSI oscillator startup time

-

IDDA(LSI)(2) LSI oscillator power consumption

-

1. VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified.

2. Guaranteed by design, not tested in production.

40

-

0.75

Max

50

85

1.2

Unit

kHz

µs

µA

PLL characteristics

The parameters given in Table 38 are derived from tests performed under ambient

temperature and supply voltage conditions summarized in Table 18: General operating

conditions.

Table 38. PLL characteristics

Symbol

Parameter

Value

Unit

Min

Typ

Max

fPLL_IN

PLL input clock(1)

PLL input clock duty cycle

1(2)

8.0

40(2)

-

24(2)

60(2)

MHz

%

fPLL_OUT

tLOCK

JitterPLL

PLL multiplier output clock

PLL lock time

Cycle-to-cycle jitter

16(2)

-

-

-

-

-

48

200(2)

300(2)

MHz

µs

ps

1. Take care to use the appropriate multiplier factors to obtain PLL input clock values compatible with the

range defined by fPLL_OUT.

2. Guaranteed by design, not tested in production.

Memory characteristics

Flash memory

The characteristics are given at TA = –40 to 105 °C unless otherwise specified.

Table 39. Flash memory characteristics

Symbol

Parameter

Conditions

Min

tprog 16-bit programming time TA = - 40 to +105 °C

40

tERASE Page (1 KB) erase time TA = - 40 to +105 °C

20

tME Mass erase time

TA = - 40 to +105 °C

20

Write mode

-

IDD Supply current

Erase mode

-

1. Guaranteed by design, not tested in production.

Typ Max(1) Unit

53.5 60

µs

-

40

ms

-

40

ms

-

10 mA

-

12 mA

60/106

DocID025743 Rev 6

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