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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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STM32F427AI Arkusz danych(PDF) 100 Page - STMicroelectronics |
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STM32F427AI Arkusz danych(HTML) 100 Page - STMicroelectronics |
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100 / 240 page  Electrical characteristics STM32F427xx STM32F429xx 100/240 DS9405 Rev 12 6.3.6 Overdrive switching characteristics When the overdrive mode switches from enabled to disabled or disabled to enabled, the system clock is stalled during the internal voltage set-up. The overdrive switching characteristics are given in Table 23. They are subject to general operating conditions for TA. IRUSH(1) InRush current on voltage regulator power- on (POR or wakeup from Standby) - - 160 200 mA ERUSH(1) InRush energy on voltage regulator power- on (POR or wakeup from Standby) VDD = 1.7 V, TA = 105 °C, IRUSH = 171 mA for 31 µs -- 5.4 µC 1. Specified by design. 2. The reset temporization is measured from the power-on (POR reset or wake-up from VBAT) to the instant when the first instruction is read by the user application code. Table 22. Reset and power control block characteristics (continued) Symbol Parameter Conditions Min Typ Max Unit Table 23. Over-drive switching characteristics(1) 1. Specified by design. Symbol Parameter Conditions Min Typ Max Unit Tod_swen Over_drive switch enable time HSI - 45 - µs HSE max for 4 MHz and min for 26 MHz 45 - 100 External HSE 50 MHz - 40 - Tod_swdis Over_drive switch disable time HSI - 20 - HSE max for 4 MHz and min for 26 MHz. 20 - 80 External HSE 50 MHz - 15 - |
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