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STM32L412C8I6TR 데이터시트(PDF) 124 Page - STMicroelectronics |
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STM32L412C8I6TR 데이터시트(HTML) 124 Page - STMicroelectronics |
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124 / 192 page ![]() Electrical characteristics STM32L412xx 124/192 DS12469 Rev 4 Figure 25. HSI48 frequency versus temperature Low-speed internal (LSI) RC oscillator NT jitter Next transition jitter Accumulated jitter on 28 cycles(4) -- +/-0.15(2) -ns PT jitter Paired transition jitter Accumulated jitter on 56 cycles(4) -- +/-0.25(2) -ns 1. VDD = 3 V, TA = –40 to 125°C unless otherwise specified. 2. Guaranteed by design. 3. Guaranteed by characterization results. 4. Jitter measurement are performed without clock source activated in parallel. Table 59. HSI48 oscillator characteristics(1) (continued) Symbol Parameter Conditions Min Typ Max Unit Table 60. LSI oscillator characteristics(1) Symbol Parameter Conditions Min Typ Max Unit fLSI LSI Frequency VDD = 3.0 V, TA = 30 °C 31.04 - 32.96 kHz VDD = 1.62 to 3.6 V, TA = -40 to 125 °C 29.5 - 34 tSU(LSI)(2) LSI oscillator start- up time -- 80 130 μs tSTAB(LSI)(2) LSI oscillator stabilization time 5% of final frequency - 125 180 μs IDD(LSI)(2) LSI oscillator power consumption -- 110 180 nA 1. Guaranteed by characterization results. 2. Guaranteed by design. |
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