Overview
The STM32L486VGT6 is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 family. It is based on the 32-bit ARM Cortex-M4 core, which includes a Floating Point Unit (FPU) and supports all ARM single-precision data-processing instructions and data types. This microcontroller operates at a frequency of up to 80 MHz and is designed for applications requiring low power consumption and high performance.
The device features a comprehensive set of peripherals, including high-speed memories, advanced communication interfaces, and a rich set of analog peripherals. It is particularly suited for applications in the industrial, medical, and consumer electronics sectors where power efficiency and robust performance are critical.
Key Specifications
| Specification | Value |
|---|---|
| Brand | STMicroelectronics |
| Family Name | STM32L4 |
| Package Type | LQFP |
| Mounting Type | Surface Mount |
| Pin Count | 100 |
| Device Core | ARM Cortex-M4 |
| Data Bus Width | 32-bit |
| Program Memory Size | 1 MB Flash |
| Maximum Frequency | 80 MHz |
| RAM Size | 128 kB |
| USB Channels | 1 x OTG |
| Number of PWM Units | 2 x 16-bit |
| Typical Operating Supply Voltage | 1.71 V to 3.6 V |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +85 °C |
| Instruction Set Architecture | RISC |
| Number of ADC Units | 3 x 12-bit ADC |
| Dimensions | 14.2 x 14.2 x 1.45 mm |
Key Features
- Ultra-low-power with FlexPowerControl: Operating voltage range from 1.71 V to 3.6 V, with various low-power modes such as Shutdown, Standby, and Stop modes.
- High-performance core: ARM Cortex-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and support for DSP instructions.
- Memory and Storage: 1 MB Flash memory, 128 KB SRAM, external memory interface for static memories, and Quad SPI memory interface.
- Analog Peripherals: 3 x 12-bit ADCs, 2 x 12-bit DACs, 2 x operational amplifiers, and 2 x ultra-low-power comparators.
- Communication Interfaces: USB OTG 2.0, 3 x I2C, 5 x USARTs, 3 x SPIs, CAN 2.0B, and SDMMC interface.
- Timers and Counters: 16 x timers including advanced motor-control, general-purpose, and low-power timers.
- Capacitive Sensing: Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- LCD Driver: Integrated LCD driver for 8x40 or 4x44 displays with internal step-up converter.
- Security Features: AES hardware accelerator for 128/256-bit key encryption and memory protection unit (MPU).
Applications
- Industrial Automation: Suitable for control systems, sensors, and actuators due to its robust performance and low power consumption.
- Medical Devices: Ideal for medical equipment requiring high precision and low power, such as portable diagnostic devices.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer products where energy efficiency is crucial.
- Automotive Systems: Can be used in automotive applications requiring advanced control and communication capabilities.
- IoT Devices: Suitable for Internet of Things (IoT) applications due to its low power modes and extensive set of communication interfaces.
Q & A
- What is the core architecture of the STM32L486VGT6?
The STM32L486VGT6 is based on the 32-bit ARM Cortex-M4 core with a Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32L486VGT6?
The maximum operating frequency is up to 80 MHz.
- What are the power supply voltage ranges for the STM32L486VGT6?
The device operates from 1.71 V to 3.6 V.
- What types of memory does the STM32L486VGT6 have?
The device features 1 MB Flash memory and 128 KB SRAM.
- What are the key low-power modes of the STM32L486VGT6?
The device supports Shutdown, Standby, and Stop modes, among others, to minimize power consumption.
- Does the STM32L486VGT6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L486VGT6?
The device includes USB OTG 2.0, I2C, USARTs, SPIs, CAN 2.0B, and SDMMC interface.
- Is the STM32L486VGT6 suitable for industrial applications?
Yes, it is suitable for industrial automation due to its robust performance and low power consumption.
- Does the STM32L486VGT6 have built-in security features?
Yes, it includes an AES hardware accelerator for encryption and a memory protection unit (MPU).
- What is the operating temperature range of the STM32L486VGT6?
The operating temperature range is from -40 °C to +85 °C.
