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STM32WL55JC Datasheet(PDF) 4 Page - STMicroelectronics |
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STM32WL55JC Datasheet(HTML) 4 Page - STMicroelectronics |
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4 / 147 page ![]() Contents STM32WL55/54xx 4/147 DS13293 Rev 2 3.16 General-purpose inputs/outputs (GPIOs) . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.17 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . . . . 39 3.18 Interrupts and events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 3.18.1 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 40 3.18.2 Extended interrupt/event controller (EXTI) . . . . . . . . . . . . . . . . . . . . . . 40 3.19 Cyclic redundancy check (CRC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.20 Analog-to-digital converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.20.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 3.20.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.20.3 VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.21 Digital-to-analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 3.22 Voltage reference buffer (VREFBUF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.23 Comparator (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.24 True random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . 43 3.25 Advanced encryption standard hardware accelerator (AES) . . . . . . . . . . 43 3.26 Public key accelerator (PKA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.27 Timer and watchdog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.27.1 Advanced-control timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 3.27.2 General-purpose timers (TIM2, TIM16, TIM17) . . . . . . . . . . . . . . . . . . . 45 3.27.3 Low-power timers (LPTIM1, LPTIM2 and LPTIM3) . . . . . . . . . . . . . . . . 45 3.27.4 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 3.27.5 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.27.6 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.28 Real-time clock (RTC), tamper and backup registers . . . . . . . . . . . . . . . 46 3.29 Inter-integrated circuit interface (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.30 Universal synchronous/asynchronous receiver transmitter (USART/UART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.31 Low-power universal asynchronous receiver transmitter (LPUART) . . . . 48 3.32 Serial peripheral interface (SPI)/integrated-interchip sound interface (I2S) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.33 Development support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 4 Pinouts, pin description and alternate functions . . . . . . . . . . . . . . . . . 51 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 5.1 Parameter conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 |
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