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STM32L152C6 数据表(PDF) 17 Page - STMicroelectronics |
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STM32L152C6 数据表(HTML) 17 Page - STMicroelectronics |
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17 / 121 page ![]() STM32L151x6/8/B, STM32L152x6/8/B Functional overview Doc ID 17659 Rev 8 17/121 3.2 ARM® Cortex™-M3 core with MPU The ARM Cortex™-M3 processor is the industry leading processor for embedded systems. It has been developed to provide a low-cost platform that meets the needs of MCU implementation, with a reduced pin count and low-power consumption, while delivering outstanding computational performance and an advanced system response to interrupts. The ARM Cortex™-M3 32-bit RISC processor features exceptional code-efficiency, delivering the high-performance expected from an ARM core in the memory size usually associated with 8- and 16-bit devices. The memory protection unit (MPU) improves system reliability by defining the memory attributes (such as read/write access permissions) for different memory regions. It provides up to eight different regions and an optional predefined background region. Owing to its embedded ARM core, the STM32L15xxx is compatible with all ARM tools and software. ADC Y Y -- -- -- -- DAC Y Y Y Y Y -- Tempsensor Y Y Y Y Y -- Comparators Y Y Y Y Y Y -- 16-bit and 32-bit Timers Y Y Y Y -- -- IWDG Y Y Y Y Y Y Y Y WWDG Y Y Y Y -- -- Touch sensing Y -- -- -- -- -- Systic Timer Y Y Y Y -- GPIOs Y Y Y Y Y Y 3Pins Wakeup time to Run mode 0 µs 0.36 µs 3 µs 32 µs < 8 µs 50 µs Consumption VDD=1.8V to 3.6V (Typ) Down to 214 µA/MHz (from Flash) Down to 50 µA/MHz (from Flash) Down to 9 µA Down to 4.4 µA 0.65 µA (No RTC) VDD=1.8V 0.3 µA (No RTC) VDD=1.8V 1.4 µA (with RTC) VDD=1.8V 1 µA (with RTC) VDD=1.8V 0.65 µA (No RTC) VDD=3.0V 0.3 µA (No RTC) VDD=3.0V 1.6 µA (with RTC) VDD=3.0V 1.3 µA (with RTC) VDD=3.0V 1. The startup on communication line wakes the CPU which was made possible by an EXTI, this induces a delay before entering run mode. Table 5. Functionalities depending on the working mode (from Run/active down to standby) (continued) Ips Run/Active Sleep Low- power Run Low- power Sleep Stop Standby Wakeup capability Wakeup capability |
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