STM32F205VE 查看數據表（PDF） - STMicroelectronics

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STM32F205VE

ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

STM32F20xxx

Electrical characteristics

5.3.9

Internal clock source characteristics

The parameters given in Table 30 and Table 31 are derived from tests performed under

ambient temperature and VDD supply voltage conditions summarized in Table 12.

High-speed internal (HSI) RC oscillator

Table 30. HSI oscillator characteristics (1)

Symbol

Parameter

Conditions

Min Typ Max Unit

fHSI Frequency

-

16

- MHz

User-trimmed with the RCC_CR

register(2)

-

-

1

%

ACCHSI

Accuracy of the HSI

oscillator

Factory-

calibrated

TA = –40 to 105 °C –8

TA = –10 to 85 °C

–4

-

-

4.5 %

4

%

TA = 25 °C

–1

-

1

%

tsu(HSI)(3)

HSI oscillator

startup time

-

2.2 4

µs

IDD(HSI)

HSI oscillator

power consumption

-

60 80 µA

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

2. Refer to application note AN2868 “STM32F10xxx internal RC oscillator (HSI) calibration” available from the

ST website www.st.com.

3. Guaranteed by design, not tested in production.

Figure 32. ACCHSI versus temperature

max

6

avg

min

4

2

0

-2

-4

-6

-8

-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125

Temperature (°C)

MS19012V2

Doc ID 15818 Rev 9

85/177

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