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Datasheet 搜索 > ST Microelectronics(意法半导体) > STM32L4R9ZIJ6 数据手册 > STM32L4R9ZIJ6 其他数据使用手册 4/306 页
STM32L4R9ZIJ6
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STM32L4R9ZIJ6数据手册
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Contents STM32L4R5xx, STM32L4R7xx and STM32L4R9xx
4/306 DocID030321 Rev 3
3.19.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
3.19.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3.19.3 VBAT battery voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3.20 Digital to analog converter (DAC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
3.21 Voltage reference buffer (VREFBUF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.22 Comparators (COMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
3.23 Operational amplifier (OPAMP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.24 Touch sensing controller (TSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
3.25 LCD-TFT controller (LTDC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
3.26 DSI Host (DSIHOST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
3.27 Digital filter for sigma-delta modulators (DFSDM) . . . . . . . . . . . . . . . . . . 50
3.28 Random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.29 Digital camera interface (DCMI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.30 Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.30.1 Advanced-control timer (TIM1, TIM8) . . . . . . . . . . . . . . . . . . . . . . . . . . 52
3.30.2 General-purpose timers (TIM2, TIM3, TIM4, TIM5, TIM15, TIM16,
TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3.30.3 Basic timers (TIM6 and TIM7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3.30.4 Low-power timer (LPTIM1 and LPTIM2) . . . . . . . . . . . . . . . . . . . . . . . . 53
3.30.5 Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.30.6 System window watchdog (WWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.30.7 SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.31 Real-time clock (RTC) and backup registers . . . . . . . . . . . . . . . . . . . . . . 55
3.32 Inter-integrated circuit interface (I
2
C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
3.33 Universal synchronous/asynchronous receiver transmitter (USART) . . . 57
3.34 Low-power universal asynchronous receiver transmitter (LPUART) . . . . 58
3.35 Serial peripheral interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
3.36 Serial audio interfaces (SAI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
3.37 Controller area network (CAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
3.38 Secure digital input/output and MultiMediaCards Interface (SDMMC) . . . 60
3.39 Universal serial bus on-the-go full-speed (OTG_FS) . . . . . . . . . . . . . . . . 61
3.40 Clock recovery system (CRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
3.41 Flexible static memory controller (FSMC) . . . . . . . . . . . . . . . . . . . . . . . . 61
3.42 OctoSPI interface (OctoSPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

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