Overview
The STM32L443VCT6 is a ultra-low-power microcontroller unit (MCU) from STMicroelectronics, based on the Arm® Cortex®-M4 32-bit core. This MCU is part of the STM32L4 series, known for its high performance and energy efficiency. It features a robust instruction set, high-performance execution, and advanced peripherals, making it suitable for a wide range of applications, particularly those requiring low power consumption and high processing capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | 256 KB |
| SRAM | 64 KB (including 16 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85 °C |
| Low-Power Modes | 200 nA in VBAT mode, 8 nA Shutdown mode, 28 nA Standby mode, 280 nA Standby mode with RTC |
| Communication Interfaces | USB 2.0 full-speed, 4x USARTs, 1x LPUART, 3x SPIs, CAN 2.0B, SDMMC, I2C, SAI |
| Analog Peripherals | 1x 12-bit ADC, 2x 12-bit DAC, 1x operational amplifier, 2x ultra-low-power comparators |
| Security Features | AES 128/256-bit key encryption hardware accelerator |
| Package Options | LQFP64, UFQFPN48, WLCSP49, WLCSP64 |
Key Features
- Ultra-Low Power Consumption: Features like FlexPowerControl, low-power modes (VBAT, Shutdown, Standby), and batch acquisition mode (BAM) ensure minimal energy usage.
- High Performance: Arm® Cortex®-M4 core with FPU, Adaptive real-time accelerator (ART Accelerator™), and up to 100 DMIPS.
- Advanced Peripherals: Includes LCD controller, touch sensing controller, RTC with HW calendar, alarms and calibration, and multiple timers.
- Rich Analog Capabilities: 12-bit ADC, 12-bit DAC, operational amplifier, and ultra-low-power comparators.
- Security: AES 128/256-bit key encryption hardware accelerator and true random number generator.
- Communication: Multiple communication interfaces such as USB 2.0, USARTs, SPIs, CAN, SDMMC, and I2C.
- Development Support: Serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
Applications
- IoT Devices: Ideal for Internet of Things applications requiring low power consumption and high processing capabilities.
- Industrial Automation: Suitable for industrial control systems, sensors, and actuators due to its robust peripherals and low power modes.
- Consumer Electronics: Used in various consumer electronics such as smart home devices, wearables, and portable electronics.
- Medical Devices: Applicable in medical devices that require precise analog measurements and secure data processing.
- Automotive Systems: Can be used in automotive systems for control and monitoring applications due to its reliability and low power consumption.
Q & A
- What is the core architecture of the STM32L443VCT6?
The STM32L443VCT6 is based on the Arm® Cortex®-M4 32-bit core with FPU.
- What is the maximum frequency of the STM32L443VCT6?
The maximum frequency is up to 80 MHz.
- How much flash and SRAM memory does the STM32L443VCT6 have?
It has 256 KB of flash memory and 64 KB of SRAM.
- What are the power supply and operating temperature ranges of the STM32L443VCT6?
The power supply range is 1.71 V to 3.6 V, and the operating temperature range is -40 °C to 85 °C.
- What are some of the low-power modes available in the STM32L443VCT6?
The available low-power modes include VBAT mode (200 nA), Shutdown mode (8 nA), Standby mode (28 nA), and Standby mode with RTC (280 nA).
- What types of communication interfaces does the STM32L443VCT6 support?
It supports USB 2.0 full-speed, USARTs, LPUART, SPIs, CAN 2.0B, SDMMC, I2C, and SAI.
- What are the key analog peripherals of the STM32L443VCT6?
The key analog peripherals include a 12-bit ADC, 12-bit DAC, operational amplifier, and ultra-low-power comparators.
- Does the STM32L443VCT6 have any security features?
Yes, it includes an AES 128/256-bit key encryption hardware accelerator and a true random number generator.
- What development tools are supported by the STM32L443VCT6?
It supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
- What are some common applications of the STM32L443VCT6?
Common applications include IoT devices, industrial automation, consumer electronics, medical devices, and automotive systems.
