Overview
The STM32L476VET6 is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This microcontroller operates at a frequency of up to 80 MHz and features a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types. It also includes a full set of DSP instructions and a Memory Protection Unit (MPU) to enhance application security.
The device is part of the STM32L476xx family, which is known for its low power consumption and extensive range of peripherals and interfaces. It is suitable for a wide range of applications requiring high performance and low power consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Operating Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 MB (1.25 MB for some variants) |
| SRAM | Up to 128 KB |
| Power Supply | 1.71 V to 3.6 V (internal LDO), 1.05 to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to +85/105/125 °C |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two DAC channels |
| Timers | Two 32-bit timers, nine 16-bit timers, two 16-bit low-power timers |
| Communication Interfaces | Three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, one CAN, one USB OTG full-speed |
| Power Modes | Shutdown, Standby, Stop 2, VBAT mode |
| Package Options | From 64-pin to 144-pin packages |
Key Features
- Ultra-low-power with FlexPowerControl
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™)
- Up to 1 MB Flash memory and 128 KB SRAM
- Extensive range of enhanced I/Os and peripherals
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 24 capacitive sensing channels
- Multiple power-saving modes: Shutdown, Standby, Stop 2, VBAT mode
- Independent power supplies for analog and digital components
- Advanced communication interfaces including USB OTG, CAN, and more
Applications
The STM32L476VET6 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring advanced motor control
- IoT devices and smart sensors
Q & A
- What is the core architecture of the STM32L476VET6?
The STM32L476VET6 is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32L476VET6?
The maximum operating frequency is up to 80 MHz.
- How much flash memory and SRAM does the STM32L476VET6 have?
The device has up to 1 MB of flash memory and up to 128 KB of SRAM.
- What are the power supply ranges for the STM32L476VET6?
The device operates from a 1.71 V to 3.6 V power supply using the internal LDO regulator, and from 1.05 to 1.32 V using an external SMPS supply.
- What are the temperature ranges for the STM32L476VET6?
The device operates in the -40 °C to +85/105/125 °C temperature range.
- What types of timers are available on the STM32L476VET6?
The device includes two 32-bit timers, nine 16-bit timers, and two 16-bit low-power timers.
- Does the STM32L476VET6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on the STM32L476VET6?
The device features three I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, one CAN, and one USB OTG full-speed interface.
- What are the power-saving modes available on the STM32L476VET6?
The device supports Shutdown, Standby, Stop 2, and VBAT modes.
- Can the STM32L476VET6 be used in industrial automation?
Yes, it is suitable for industrial automation and control systems due to its advanced features and low power consumption.
