Overview
The STM32L496AGI6 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 STM32L496xx family, which is known for its ultra-low-power consumption and advanced peripherals. It is suitable for a wide range of applications, including industrial, personal electronics, and more, where energy efficiency and high performance are critical.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Memory | Up to 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 |
| 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, etc. |
| Analog Peripherals | Up to 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, 2x ultra-low-power comparators |
| Package | UFBGA 169 7x7x0.6 P 0.5 mm |
| Power Modes | Shutdown, Standby, Stop 2 modes with low power consumption (e.g., 25 nA in Shutdown mode) |
Key Features
- Ultra-low-power with FlexPowerControl, achieving low power modes such as 25 nA in Shutdown mode and 91 µA/MHz in run mode (LDO mode).
- Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions.
- High-speed memories: up to 1 MB flash, 320 KB SRAM, and external memory interface for static memories.
- Rich set of peripherals including up to three fast 12-bit ADCs, two operational amplifiers, two DAC channels, and capacitive sensing channels.
- Advanced communication interfaces: USB OTG 2.0 full-speed, multiple I2Cs, SPIs, USARTs, CANs, and SDMMC.
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter and support for touchkey, linear, and rotary touch sensors.
- Encryption hardware accelerator: HASH (SHA-256).
- Comprehensive set of power-saving modes and independent power supplies for various components.
Applications
- Industrial automation and control systems, where low power consumption and high performance are essential.
- Personal electronics such as smart home devices, wearables, and IoT applications requiring energy efficiency and advanced peripherals.
- Audio and graphics applications, leveraging the Chrom-ART Accelerator for enhanced graphic content creation.
- Motor control systems, utilizing the advanced motor-control timers and other dedicated peripherals.
- Secure applications, benefiting from the integrated HASH hardware accelerator and other security features.
Q & A
- What is the core architecture of the STM32L496AGI6?
The STM32L496AGI6 is based on the Arm® 32-bit Cortex®-M4 CPU 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 1.71 V to 3.6 V and has a temperature range of -40 °C to 85/125 °C).
- What types of memory does the STM32L496AGI6 have?
The device includes up to 1 MB flash memory and 320 KB SRAM, along with an external memory interface for static memories).
- What are the key analog peripherals of the STM32L496AGI6?
The device features up to three 12-bit ADCs, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators).
- What communication interfaces are available on the STM32L496AGI6?
The device includes USB OTG 2.0 full-speed, multiple I2Cs, SPIs, USARTs, CANs, and SDMMC interfaces).
- How does the STM32L496AGI6 manage power consumption?
The device features ultra-low-power modes such as Shutdown, Standby, and Stop 2 modes, with very low power consumption (e.g., 25 nA in Shutdown mode)).
- What is the purpose of the Chrom-ART Accelerator in the STM32L496AGI6?
The Chrom-ART Accelerator is dedicated to enhancing graphic content creation and performance).
- Does the STM32L496AGI6 support secure applications?
Yes, the device includes a HASH hardware accelerator (SHA-256) and other security features to support secure applications).
- What development tools are available for the STM32L496AGI6?
Development tools include the 32L496GDISCOVERY Discovery kit, which provides out-of-the-box loading and debugging capabilities, along with comprehensive free software libraries and examples).
- What are some typical applications for the STM32L496AGI6?
Typical applications include industrial automation, personal electronics, audio and graphics, motor control systems, and secure applications).
