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STM32L412C8 bảng dữ liệu(PDF) 29 Page - STMicroelectronics |
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STM32L412C8 bảng dữ liệu(HTML) 29 Page - STMicroelectronics |
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29 / 192 page ![]() DS12469 Rev 4 29/192 STM32L412xx Functional overview 49 Low-power UART (LPUART) O OOO O(6) O(6) O(6) O(6) - -- -- I2Cx (x=1,2) O O O O O(7) O(7) - -- -- -- I2C3 O OOO O(7) O(7) O(7) O(7) - -- -- SPIx (x=1,2) O O O O - -- -- -- -- ADCx (x=1,2) O O O O - -- -- -- -- OPAMPx (x=1) O O O O O -- -- -- -- COMP1 O OOO O OO O- -- -- Temperature sensor O O O O - -- -- -- -- Timers (TIMx) O O O O - -- -- -- -- Low-power timer 1 (LPTIM1) O OOO O OO O- -- -- Low-power timer 2 (LPTIM2) O OOO O OO O- -- -- Independent watchdog (IWDG) O OOO O OO OO O- -- Window watchdog (WWDG) O OOO - -- -- -- -- SysTick timer O O O O - -- -- -- -- Touch sensing controller (TSC) O OOO - -- -- -- -- Random number generator (RNG) O(8) O(8) -- - -- -- -- -- CRC calculation unit O O O O - -- -- -- -- GPIOs O OOO O OO O (9) 4 pins (10) (11) 4 pins (10) - 1. Legend: Y = Yes (Enable). O = Optional (Disable by default. Can be enabled by software). - = Not available. 2. The Flash can be configured in power-down mode. By default, it is not in power-down mode. 3. The SRAM clock can be gated on or off. 4. SRAM2 content is preserved when the bit RRS is set in PWR_CR3 register. 5. Some peripherals with wakeup from Stop capability can request HSI16 to be enabled. In this case, HSI16 is woken up by the peripheral, and only feeds the peripheral which requested it. HSI16 is automatically put off when the peripheral does not need it anymore. 6. LPUART reception is functional in Stop mode, and generates a wakeup interrupt on Start, address match or received frame event. Table 5. Functionalities depending on the working mode(1) (continued) Peripheral Run Sleep Low- power run Low- power sleep Stop 0/1 Stop 2 Standby Shutdown VBAT - - - - |
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