STM8AF6366 datasheet(60/95 Pages) STMICROELECTRONICS

部件名	STM8AF6366

功能描述	Automotive 8-bit MCU, with up to 32-Kbyte Flash memory, data EEPROM, 10-bit ADC, timers, LIN, SPI, I2C, 3 to 5.5 V

PDF	95 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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60 / 95 page

Electrical characteristics

STM8AF6366

60/95

DS12343 Rev 2

10.3.4

Internal clock sources and timing characteristics

Subject to general operating conditions for VDD and TA.

High speed internal RC oscillator (HSI)

Figure 18. Typical HSI frequency vs VDD

Low speed internal RC oscillator (LSI)

Subject to general operating conditions for VDD and TA.

Table 30. HSI oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI

Frequency

MHz

ACCHS

HSI oscillator user

trimming accuracy

Trimmed by the application

for any VDD and TA

conditions

3-bit calibration

-1(1)

4-bit calibration

-0.5(1)

HSI oscillator accuracy

(factory calibrated)

3.0 V

≤ VDD ≤ 5.5 V,

-40 °C

≤ TA ≤ 150 °C

-5

3.0V

≤ VDD ≤ 5.5V,

-40°C

≤ TA ≤ 125 °C

-2.5(2)

tsu(HSI)

HSI oscillator wakeup

time

2(3)

µs

1. Selection between legacy 3-bit calibration and 4-bit extended calibration is done using the HSITRIM bit in OPT3 and NOPT3.To achieve a

higher accuracy, 4-bit calibration must be enabled.

2. These values are guaranteed for STM8AF63x6ITx order codes only.

3. Guaranteed by characterization.

-3%

-2%

-1%

2.5

3.5

4.5

5.5

VDD [V]

-40°C

25°C

85°C

125°C

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