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Ultralow power ARM-based 32-bit MCU with 384 Kbytes Flash ... - Keil

Ultralow power ARM-based 32-bit MCU with 384 Kbytes Flash ... - Keil

Ultralow power ARM-based 32-bit MCU with 384 Kbytes Flash ... - Keil

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STM<strong>32</strong>L162VD, STM<strong>32</strong>L162ZD, STM<strong>32</strong>L162QD, STM<strong>32</strong>L162RDElectrical characteristics6.3.6 Internal clock source characteristicsThe parameters given in Table 27 are derived from tests performed under ambienttemperature and V DD supply voltage conditions summarized in Table 10.High-speed internal (HSI) RC oscillatorTable 27.HSI oscillator characteristicsSymbol Parameter Conditions Min Typ Max Unitf HSI Frequency V DD = 3.0 V 16 MHzTRIM (1)(2)(2)ACC HSIt (2)SU(HSI)(2)I DD(HSI)HSI user-trimmedresolutionAccuracy of thefactory-calibratedHSI oscillatorHSI oscillatorstartup timeHSI oscillator<strong>power</strong> consumptionTrimming code is not a multiple of 16 ± 0.4 0.7 %Trimming code is a multiple of 16 ± 1.5 %V DDA = 3.0 V, T A = 25 °C -1 (3)1 (3) %V DDA = 3.0 V, T A = 0 to 55 °C -1.5 1.5 %V DDA = 3.0 V, T A = -10 to 70 °C -2 2 %V DDA = 3.0 V, T A = -10 to 85 °C -2.5 2 %V DDA = 3.0 V, T A = -10 to 105 °C -4 2 %V DDA = 1.65 V to 3.6 VT A = -40 to 105 °C-4 3 %3.7 6 µs100 140 µA1. The trimming step differs depending on the trimming code. It is usually negative on the codes which aremultiples of 16 (0x00, 0x10, 0x20, 0x30...0xE0).2. Based on characterization, not tested in production.3. Tested in production.Low-speed internal (LSI) RC oscillatorTable 28.LSI oscillator characteristicsSymbol Parameter Min Typ Max Unitf LSI(1)D LSI(2)t su(LSI)(3)1. Tested in production.LSI frequency 26 38 56 kHzLSI oscillator frequency drift0°C ≤T A ≤ 85°C-10 4 %LSI oscillator startup time 200 µsI DD(LSI)(3) LSI oscillator <strong>power</strong> consumption 400 510 nA2. This is a deviation for an individual part, once the initial frequency has been measured.3. Guaranteed by design, not tested in production.Doc ID 022268 Rev 2 71/124

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