STM32L062T8 datasheet(65/118 Pages) STMICROELECTRONICS

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DocID025937 Rev 8

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STM32L062x8

Electrical characteristics

6.3.7

Internal clock source characteristics

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

temperature and VDD supply voltage conditions summarized in Table 21.

High-speed internal 16 MHz (HSI16) RC oscillator

Figure 18. HSI16 minimum and maximum value versus temperature

Table 38. 16 MHz HSI16 oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI16

Frequency

VDD = 3.0 V

MHz

TRIM

(1)(2)

1. The trimming step differs depending on the trimming code. It is usually negative on the codes which are

multiples of 16 (0x00, 0x10, 0x20, 0x30...0xE0).

HSI16 user-

trimmed resolution

Trimming code is not a multiple of 16

± 0.4

0.7

Trimming code is a multiple of 16

± 1.5

ACCHSI16

(2)

2. Guaranteed by characterization results.

Accuracy of the

factory-calibrated

HSI16 oscillator

VDDA = 3.0 V, TA = 25 °C

-1(3)

3. Guaranteed by test in production.

-1(3)

VDDA = 3.0 V, TA = 0 to 55 °C

-1.5

1.5

VDDA = 3.0 V, TA = -10 to 70 °C

-2

VDDA = 3.0 V, TA = -10 to 85 °C

-2.5

VDDA = 3.0 V, TA = -10 to 105 °C

-4

VDDA = 1.65 V to 3.6 V

TA = − 40 to 125 °C

-5.45

3.25

tSU(HSI16)(2)

HSI16 oscillator

startup time

3.7

µs

IDD(HSI16)(2)

HSI16 oscillator

power consumption

100

140

µA

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