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STM32L443VCT6
型号: STM32L443VCT6
产品详情

Description

The STM32L443xx devices are the ultra-low-power microcontrollers based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision which supports all Arm® single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security. The STM32L443xx devices embed high-speed memories (256 Kbyte of Flash memory, 64 Kbyte of SRAM), a Quad SPI flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.
The STM32L443xx devices embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall.
The devices offer a fast 12-bit ADC (5 Msps), two comparators, one operational amplifier, two DAC channels, an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, four general-purpose 16-bit timers, and two 16-bit low-power timers.
In addition, up to 21 capacitive sensing channels are available. The devices also embed an integrated LCD driver 8x40 or 4x44, with internal step-up converter.
They also feature standard and advanced communication interfaces.
  • All features

    • Ultra-low-power with FlexPowerControl

      • 1.71 V to 3.6 V power supply

      • -40 °C to 85/105/125 °C temperature range

      • 200 nA in VBAT mode: supply for RTC and 32x32-bit backup registers

      • 8 nA Shutdown mode (5 wakeup pins)

      • 28 nA Standby mode (5 wakeup pins)

      • 280 nA Standby mode with RTC

      • 1.0 µA Stop 2 mode, 1.28 µA with RTC

      • 84 µA/MHz run mode

      • Batch acquisition mode (BAM)

      • 4 µs wakeup from Stop mode

      • Brown out reset (BOR)

      • Interconnect matrix


    • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions

    • Performance benchmark

      • 1.25 DMIPS/MHz (Drystone 2.1)

      • 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)


    • Energy benchmark

      • 347 ULPMark™ CP score

      • 121 ULPMark™ PP score


    • Clock Sources

      • 4 to 48 MHz crystal oscillator

      • 32 kHz crystal oscillator for RTC (LSE)

      • Internal 16 MHz factory-trimmed RC (±1%)

      • Internal low-power 32 kHz RC (±5%)

      • Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy)

      • Internal 48 MHz with clock recovery

      • 2 PLLs for system clock, USB, audio, ADC


    • Up to 83 fast I/Os, most 5 V-tolerant

    • RTC with HW calendar, alarms and calibration

    • LCD 8× 40 or 4× 44 with step-up converter

    • Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors

    • 11x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer

    • Memories

      • 256 KB single bank Flash, proprietary code readout protection

      • 64 KB of SRAM including 16 KB with hardware parity check

      • Quad SPI memory interface


    • Rich analog peripherals (independent supply)

      • 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps

      • 2x 12-bit DAC output channels, low-power sample and hold

      • 1x operational amplifier with built-in PGA

      • 2x ultra-low-power comparators


    • AES: 128/256-bit key encryption hardware accelerator

    • 17x communication interfaces

      • USB 2.0 full-speed crystal less solution with LPM and BCD

      • 1x SAI (serial audio interface)

      • 3x I2C FM+(1 Mbit/s), SMBus/PMBus

      • 4x USARTs (ISO 7816, LIN, IrDA, modem)

      • 1x LPUART (Stop 2 wake-up)

      • 3x SPIs (and 1x Quad SPI)

      • CAN (2.0B Active) and SDMMC interface

      • SWPMI single wire protocol master I/F

      • IRTIM (Infrared interface)


    • 14-channel DMA controller

    • True random number generator

    • CRC calculation unit, 96-bit unique ID

    • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™

    • All packages are ECOPACK2® compliant


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