Overview
The STM32L4A6VGT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. It is 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 includes a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types, as well as a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
This microcontroller is designed for low-power applications, featuring advanced power-saving modes such as VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode. It operates within a temperature range of -40 °C to 85 °C (or up to 125 °C in certain configurations) and supports a power supply range of 1.71 V to 3.6 V.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | Arm® Cortex®-M4 32-bit RISC core |
| Operating Frequency | Up to 80 MHz |
| Flash Memory | 1 Mbyte |
| SRAM | 320 Kbyte |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85 °C (or up to 125 °C) |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DAC Channels | Two 12-bit DAC output channels |
| Operational Amplifiers | Two operational amplifiers with built-in PGA |
| Comparators | Two ultra-low-power comparators |
| Timers | Two 32-bit timers, nine 16-bit timers, and two 16-bit low-power timers |
| Communication Interfaces | Four I2Cs, three SPIs, three USARTs, two UARTs, one Low-Power UART, two SAIs, one SDMMC, two CANs, one USB OTG full-speed |
| Security Features | AES and HASH hardware accelerators |
Key Features
- Ultra-Low Power Consumption: Features advanced power-saving modes such as VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode, making it suitable for battery-powered applications.
- High-Performance Core: Based on the Arm® Cortex®-M4 32-bit RISC core with an FPU, supporting DSP instructions and an MPU for enhanced security.
- Rich Analog Peripherals: Includes up to three fast 12-bit ADCs, two 12-bit DAC channels, two operational amplifiers, and two ultra-low-power comparators.
- Extensive Communication Interfaces: Supports multiple communication interfaces including I2C, SPI, USART, UART, SAIs, SDMMC, CAN, and USB OTG full-speed.
- Advanced Security Features: Embeds AES and HASH hardware accelerators for enhanced security.
- Capacitive Sensing and LCD Driver: Supports up to 24 capacitive sensing channels and an integrated LCD driver with a step-up converter.
Applications
- Industrial Automation: Suitable for control and monitoring systems due to its rich set of peripherals and communication interfaces.
- Automotive Systems: Designed to meet the enhanced digital control and high-performance analog requirements for electric vehicles and other automotive applications.
- Medical Devices: Ideal for medical devices requiring low power consumption and advanced analog capabilities.
- Consumer Electronics: Can be used in various consumer electronics such as smart home devices, wearables, and IoT applications.
- Energy Management: Suitable for energy management systems due to its ultra-low power consumption and advanced power-saving modes.
Q & A
- What is the core processor of the STM32L4A6VGT6?
The core processor is the Arm® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32L4A6VGT6?
The maximum operating frequency is up to 80 MHz.
- How much flash memory and SRAM does the STM32L4A6VGT6 have?
The STM32L4A6VGT6 has 1 Mbyte of flash memory and 320 Kbyte of SRAM.
- What is the power supply range of the STM32L4A6VGT6?
The power supply range is from 1.71 V to 3.6 V.
- What are the key analog peripherals of the STM32L4A6VGT6?
The key analog peripherals include up to three fast 12-bit ADCs, two 12-bit DAC channels, two operational amplifiers, and two ultra-low-power comparators.
- What communication interfaces does the STM32L4A6VGT6 support?
The STM32L4A6VGT6 supports multiple communication interfaces including I2C, SPI, USART, UART, SAIs, SDMMC, CAN, and USB OTG full-speed.
- Does the STM32L4A6VGT6 have any built-in security features?
Yes, it embeds AES and HASH hardware accelerators for enhanced security.
- What are the power-saving modes available in the STM32L4A6VGT6?
The available power-saving modes include VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode.
- Can the STM32L4A6VGT6 be used in automotive applications?
Yes, it is designed to meet the enhanced digital control and high-performance analog requirements for electric vehicles and other automotive applications.
- What is the temperature range of the STM32L4A6VGT6?
The temperature range is from -40 °C to 85 °C (or up to 125 °C in certain configurations).
