STM32F050C4P7A View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F050C4P7A

Low- and medium-density advanced ARM™-based 32-bit MCU with up to 32 Kbytes Flash, timers, ADC and comm. interfaces

STMicroelectronics 

STM32F050xx

Electrical characteristics

6.3.7

Internal clock source characteristics

The parameters given in Table 33 are derived from tests performed under ambient

temperature and supply voltage conditions summarized in Table 15: General operating

conditions. The provided curves are characterization results, not tested in production.

High-speed internal (HSI) RC oscillator

Table 33. HSI oscillator characteristics(1)

Symbol

Parameter

Conditions

fHSI

TRIM

DuCy(HSI)

ACCHSI

tsu(HSI)

Frequency

HSI user trimming step

Duty cycle

Accuracy of the HSI

oscillator (factory

calibrated)

HSI oscillator startup

time

TA = –40 to 105 °C

TA = –10 to 85 °C

TA = 0 to 70 °C

TA = 25 °C

IDDA(HSI)

HSI oscillator power

consumption

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.

Min Typ

-

8

-

-

45(2)

-

–3.8(3)

-

–2.9(3)

-

–2.3(3)

-

–1

-

1(2)

-

Max

1(2)

55(2)

4.6(3)

2.9(3)

2.2(3)

1

2(2)

Unit

MHz

%

%

%

%

%

%

µs

-

80 100(2) µA

Figure 16. HSI oscillator accuracy characterization results











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-36

Doc ID 023683 Rev 1

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