Overview
The STM32L4A6VGT6PTR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4A6xG family. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 80 MHz. This microcontroller features a Floating Point Unit (FPU) single precision, supporting 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) for enhanced application security.
The device is designed for low-power applications, with various power-saving modes and a wide range of peripherals and interfaces. It is suitable for applications requiring high performance, low power consumption, and advanced features such as encryption and graphic content creation.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit RISC core with FPU, up to 80 MHz |
| Memory | 1 MB flash, 320 KB SRAM |
| Power Supply | 1.71 V to 3.6 V, external SMPS support |
| Temperature Range | -40 °C to 85/125 °C |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Timers | 16 timers: 2x 16-bit advanced motor-control, 2x 32-bit, 5x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers |
| Communication Interfaces | USB OTG 2.0 full-speed, 4x I2C, 3x SPI, 5x USART, 2x CAN, SDMMC, SWPMI |
| Encryption | AES (128/256-bit key), HASH (SHA-256) |
| Package | LQFP 100 14x14x1.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl and various power-saving modes (e.g., Shutdown, Standby, Stop 2 modes)
- High-speed memories: 1 MB flash, 320 KB SRAM
- Flexible external memory controller (FSMC) and Quad SPI flash memories interface
- Advanced communication interfaces: USB OTG 2.0, I2C, SPI, USART, CAN, SDMMC
- Encryption hardware accelerators: AES and HASH
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D)
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Rich analog peripherals: ADCs, DACs, operational amplifiers, comparators
- RTC with HW calendar, alarms, and calibration
Applications
- Industrial automation and control systems
- Medical devices requiring low power and high performance
- Consumer electronics such as smart home devices and wearables
- Automotive systems, including infotainment and safety features
- IoT devices and smart sensors
- Security and encryption applications due to built-in AES and HASH accelerators
Q & A
- What is the core architecture of the STM32L4A6VGT6PTR?
The STM32L4A6VGT6PTR is based on the Arm® Cortex®-M4 32-bit RISC core with a Floating Point Unit (FPU), operating at up to 80 MHz.
- What are the power supply and temperature range specifications?
The device operates from a 1.71 V to 3.6 V power supply and has a temperature range of -40 °C to 85/125 °C.
- What types of memory does the STM32L4A6VGT6PTR have?
The device features 1 MB of flash memory and 320 KB of SRAM.
- What are the key communication interfaces available?
The device includes USB OTG 2.0 full-speed, four I2C interfaces, three SPI interfaces, five USART interfaces, two CAN interfaces, and an SDMMC interface.
- Does the STM32L4A6VGT6PTR support encryption?
Yes, it includes hardware accelerators for AES (128/256-bit key) and HASH (SHA-256).
- What is the package type of the STM32L4A6VGT6PTR?
The device is available in an LQFP 100 package (14x14x1.4 mm).
- What are the power-saving modes available on the STM32L4A6VGT6PTR?
The device supports various power-saving modes including Shutdown, Standby, and Stop 2 modes.
- Does the STM32L4A6VGT6PTR have any dedicated accelerators for graphic content creation?
Yes, it features a dedicated Chrom-ART Accelerator (DMA2D) for enhanced graphic content creation.
- What types of analog peripherals are available on the STM32L4A6VGT6PTR?
The device includes up to three fast 12-bit ADCs, two 12-bit DAC output channels, two operational amplifiers, and two ultra-low-power comparators.
- Is the STM32L4A6VGT6PTR suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its robust features and low power consumption.
