STM32L151VC-A

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超低功耗Arm Cortex-M3 MCU,具有256-KB Flash存储器、32 MHz CPU、USB和3x运算放大器

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产品概述

描述

The ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A devices incorporate the connectivity power of the universal serial bus (USB) with the high-performance Arm® Cortex®-M3 32-bit RISC core operating at a frequency of 32 MHz (33.3 DMIPS), a memory protection unit (MPU), high-speed embedded memories (Flash memory up to 256 Kbytes and RAM up to 32 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. The STM32L151xC/C-A and STM32L152xC/C-A devices offer two operational amplifiers, one 12-bit ADC, two DACs, two ultra-low-power comparators, one general-purpose 32-bit timer, six general-purpose 16-bit timers and two basic timers, which can be used as time bases.
Moreover, the STM32L151xC/C-A and STM32L152xC/C-A devices contain standard and advanced communication interfaces: up to two I2Cs, three SPIs, two I2S, three USARTs, and an USB. The STM32L151xC/C-A and STM32L152xC/C-A devices offer up to 23 capacitive sensing channels to simply add a touch sensing functionality to any application.
They also include a real-time clock and a set of backup registers that remain powered in Standby mode.
Finally, the integrated LCD controller (except STM32L151xC/C-A devices) has a built-in LCD voltage generator that allows to drive up to 8 multiplexed LCDs with the contrast independent of the supply voltage.
The ultra-low-power STM32L151xC/C-A and STM32L152xC/C-A devices operate from a 1.8 to 3.6 V power supply (down to 1.65 V at power down) with BOR and from a 1.65 to 3.6 V power supply without BOR option. They are available in the -40 to +85 °C and -40 to +105 °C temperature ranges. A comprehensive set of power-saving modes allows the design of low-power applications.
  • 所有功能

    • Ultra-low-power platform
      • 1.65 V to 3.6 V power supply
      • -40°C to 105°C temperature range
      • 305 nA standby mode (3 wakeup pins)
      • 1.15 µA standby mode + RTC
      • 0.475 µA stop mode (16 wakeup lines)
      • 1.35 µA stop mode + RTC
      • 11 µA Low-power run mode
      • 230 µA/MHz run mode
      • 10 nA ultra-low I/O leakage
      • 8 µs wakeup time
    • Core: Arm® Cortex®-M3 32-bit CPU
      • From 32 kHz up to 32 MHz max
      • 1.25 DMIPS/MHz (Dhrystone 2.1)
      • Memory protection unit
    • Up to 23 capacitive sensing channels
    • CRC calculation unit, 96-bit unique ID
    • Reset and supply management
      • Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds
      • Ultra-low-power POR/PDR
      • Programmable voltage detector (PVD)
    • Clock sources
      • 1 to 24 MHz crystal oscillator
      • 32 kHz oscillator for RTC with calibration
      • High Speed Internal 16 MHz factory-trimmed RC (+/- 1%)
      • Internal low-power 37 kHz RC
      • Internal multispeed low-power 65 kHz to 4.2 MHz
      • PLL for CPU clock and USB (48 MHz)
    • Pre-programmed bootloader
      • USB and USART supported
    • Serial wire debug, JTAG and trace
    • Up to 116 fast I/Os (102 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
    • Memories
      • 256 Kbytes of Flash memory with ECC
      • 32 Kbytes of RAM
      • 8 Kbytes of true EEPROM with ECC
      • 128-byte backup register
    • LCD driver (except STM32L151xC/C-A devices) up to 8x40 segments, contrast adjustment, blinking mode, step-up converter
    • Rich analog peripherals (down to 1.8V)
      • 2x operational amplifiers
      • 12-bit ADC 1 Msps up to 40 channels
      • 12-bit DAC 2 ch with output buffers
      • 2x ultra-low-power-comparators(window mode and wake up capability)
    • DMA controller 12x channels
    • 9x peripheral communication interfaces
      • 1x USB 2.0 (internal 48 MHz PLL)
      • 3x USARTs
      • Up to 8x SPIs (2x I2S, 3x 16 Mbit/s)
      • 2x I2Cs (SMBus/PMBus)
    • 11x timers: 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)

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