STM32F091VB 查看數據表（PDF） - STMicroelectronics

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STM32F091VB

ARM®-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC, and comm. interfaces, 2.0 - 3.6V

STMicroelectronics 

Electrical characteristics

STM32F091xB STM32F091xC

High-speed internal (HSI) RC oscillator

Table 41. HSI oscillator characteristics(1)

Symbol

Parameter

Conditions

Min Typ

fHSI

Frequency

-

-

8

TRIM HSI user trimming step

-

-

-

DuCy(HSI) Duty cycle

-

45(2)

-

TA = -40 to 105°C -2.8(3)

-

TA = -10 to 85°C

-1.9(3)

-

ACCHSI

Accuracy of the HSI

oscillator

TA = 0 to 85°C

TA = 0 to 70°C

-1.9(3)

-

-1.3(3)

-

TA = 0 to 55°C

-1(3)

-

TA = 25°C(4)

-1

-

tsu(HSI) HSI oscillator startup time

-

1(2)

-

IDDA(HSI)

HSI oscillator power

consumption

-

-

80

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

2. Guaranteed by design, not tested in production.

3. Data based on characterization results, not tested in production.

4. Factory calibrated, parts not soldered.

Max

-

1(2)

55(2)

3.8(3)

2.3(3)

2(3)

2(3)

2(3)

1

2(2)

100(2)

Unit

MHz

%

%

%

µs

µA

Figure 19. HSI oscillator accuracy characterization results for soldered parts



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