Overview
The STM32L496VGT3 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L496xx family. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 80 MHz. The device includes a Floating Point Unit (FPU) and supports all Arm® single-precision data-processing instructions and data types. It also features a full set of DSP instructions and a Memory Protection Unit (MPU) to enhance application security.
The STM32L496VGT3 is designed for low-power applications, offering various power-saving modes and a wide range of peripherals and interfaces. It is suitable for a variety of applications requiring high performance and low energy consumption.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® Cortex®-M4 32-bit RISC core with FPU, up to 80 MHz |
| Memory | Up to 1 MB flash, 320 KB SRAM (including 64 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V, external SMPS support |
| Temperature Range | -40 °C to +85 °C / +125 °C |
| Timers | 16 timers: 2x 16-bit advanced motor-control, 2x 32-bit, 5x 16-bit general purpose, 2x low-power 16-bit timers |
| ADCs | Up to three 12-bit ADCs, 5 Msps |
| DACs | Two 12-bit DAC output channels |
| Communication Interfaces | USB OTG 2.0 full-speed, 4x I2C, 3x SPI, 3x USART, 2x CAN, SDMMC, etc. |
| Package | LQFP 100 14x14x1.4 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
- Includes ST state-of-the-art patented technology
- Arm® Cortex®-M4 core with FPU, Adaptive real-time accelerator (ART Accelerator™)
- Up to 136 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D)
- 8- to 14-bit camera interface up to 32 MHz (black & white) or 10 MHz (color)
- Encryption hardware accelerator: HASH (SHA-256)
- Rich analog peripherals: 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, 2x ultra-low-power comparators
- 20x communication interfaces including USB OTG, I2C, SPI, USART, CAN, SDMMC
- Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE
- Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
Applications
- 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 high performance and low energy
- IoT devices and smart sensors
- Energy metering and monitoring systems
Q & A
- What is the core architecture of the STM32L496VGT3?
The STM32L496VGT3 is based on the Arm® Cortex®-M4 32-bit RISC core with a Floating Point Unit (FPU), operating at up to 80 MHz.
- What is the memory capacity of the STM32L496VGT3?
The device has up to 1 MB of flash memory and 320 KB of SRAM, including 64 KB with hardware parity check.
- What are the power supply and temperature ranges for the STM32L496VGT3?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to +85 °C / +125 °C.
- What are the key analog peripherals of the STM32L496VGT3?
The device features three 12-bit ADCs, two 12-bit DAC output channels, two operational amplifiers, and two ultra-low-power comparators.
- What communication interfaces does the STM32L496VGT3 support?
The device supports USB OTG 2.0 full-speed, four I2C interfaces, three SPI interfaces, three USART interfaces, two CAN interfaces, and SDMMC among others.
- What are the power-saving modes available on the STM32L496VGT3?
The device offers VBAT mode (320 nA), Shutdown mode (25 nA), Standby mode (108 nA), and Stop 2 mode (2.57 µA) among others.
- Does the STM32L496VGT3 support external memory?
Yes, it supports an external memory interface for static memories including SRAM, PSRAM, NOR, and NAND memories.
- What is the package type of the STM32L496VGT3?
The device is available in an LQFP 100 14x14x1.4 mm package.
- Does the STM32L496VGT3 have any dedicated accelerators?
Yes, it includes a Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D) and a HASH hardware accelerator for encryption.
- What are the typical applications of the STM32L496VGT3?
The device is suitable for industrial automation, medical devices, consumer electronics, automotive systems, IoT devices, and energy metering systems.
