Overview
The STM32L4A6VGY6TR is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This device 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 microcontroller is part of the STM32L4A6xG family, which is known for its ultra-low-power consumption and advanced peripherals. It is suitable for a wide range of applications requiring low power and high performance.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit RISC core with FPU |
| Frequency | Up to 80 MHz |
| Memory | 1 MB flash, 320 KB SRAM |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| ADCs | Up to three 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 USARTs, 2x CANs, SDMMC, SWPMI, etc. |
| Package | WLCSP 100 4.2x4.7x0.6 P 0.4 mm |
| Power Modes | VBAT mode: 320 nA, Shutdown mode: 25 nA, Standby mode: 108 nA, Stop 2 mode: 2.57 µA |
Key Features
- Ultra-low-power with FlexPowerControl and multiple power-saving modes.
- High-speed memories: 1 MB flash, 320 KB SRAM.
- Advanced peripherals: up to three 12-bit ADCs, two 12-bit DACs, two operational amplifiers, two ultra-low-power comparators.
- Rich communication interfaces: USB OTG 2.0, four I2Cs, three SPIs, five USARTs, two CANs, SDMMC, SWPMI.
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter.
- Up to 24 capacitive sensing channels and support for touchkey, linear, and rotary touch sensors.
- AES and HASH hardware accelerators for encryption.
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D).
- True random number generator, CRC calculation unit, and 96-bit unique ID.
Applications
The STM32L4A6VGY6TR microcontroller is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring low power consumption and high precision.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, especially those requiring advanced communication interfaces and low power modes.
- IoT devices that need efficient power management and robust security features.
Q & A
- What is the core architecture of the STM32L4A6VGY6TR?
The core architecture is based on the Arm® Cortex®-M4 32-bit RISC core with a Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32L4A6VGY6TR?
The maximum operating frequency is up to 80 MHz.
- What are the power supply voltage ranges for the STM32L4A6VGY6TR?
The power supply voltage ranges from 1.71 V to 3.6 V.
- What are the key power-saving modes of the STM32L4A6VGY6TR?
The key power-saving modes include VBAT mode (320 nA), Shutdown mode (25 nA), Standby mode (108 nA), and Stop 2 mode (2.57 µA).
- What types of communication interfaces are available on the STM32L4A6VGY6TR?
The device features USB OTG 2.0, four I2Cs, three SPIs, five USARTs, two CANs, SDMMC, and SWPMI among others.
- Does the STM32L4A6VGY6TR support encryption?
Yes, it includes AES and HASH hardware accelerators for encryption.
- What is the package type of the STM32L4A6VGY6TR?
The package type is WLCSP 100 4.2x4.7x0.6 P 0.4 mm.
- What are the temperature ranges for the STM32L4A6VGY6TR?
The temperature ranges are -40 °C to 85/125 °C.
- Does the STM32L4A6VGY6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What is the purpose of the Chrom-ART Accelerator in the STM32L4A6VGY6TR?
The Chrom-ART Accelerator is dedicated to enhanced graphic content creation (DMA2D).
