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STM32L051C8 bảng dữ liệu(PDF) 72 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, ADC
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STM32L051C8 bảng dữ liệu(HTML) 72 Page - STMicroelectronics

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Electrical characteristics
STM32L051x6 STM32L051x8
72/127
DocID025938 Rev 6
6.3.7
Internal clock source characteristics
The parameters given in Table 44 are derived from tests performed under ambient
temperature and VDD supply voltage conditions summarized in Table 23.
High-speed internal 16 MHz (HSI16) RC oscillator
Figure 23. HSI16 minimum and maximum value versus temperature
Table 44. 16 MHz HSI16 oscillator characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fHSI16
Frequency
VDD = 3.0 V
-
16
-
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
-
2
%
VDDA = 3.0 V, TA = -10 to 85 °C
-2.5
-
2
%
VDDA = 3.0 V, TA = -10 to 105 °C
-4
-
2
%
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
6
µs
IDD(HSI16)(2)
HSI16 oscillator
power consumption
-
-
100
140
µA



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