Overview
The STM32L496RGT3 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 Cortex-M4 core includes a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types, along with 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 a comprehensive set of power-saving modes and advanced peripherals. It is suitable for a wide range of applications requiring high performance and low energy consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| 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 (internal LDO regulator), 1.05 to 1.32 V (external SMPS supply) |
| Temperature Range | -40 °C to +85 °C (+105 °C junction), -40 °C to +125 °C (+130 °C junction) |
| Timers | 2x 32-bit, 9x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers |
| ADCs | Up to 3 fast 12-bit ADCs (5 Msps) |
| DACs | 2x 12-bit DAC output channels |
| Operational Amplifiers | 2x operational amplifiers with built-in PGA |
| Comparators | 2x ultra-low-power comparators |
| Communication Interfaces | USB OTG FS, 4x I2C, 3x SPI, 3x USART, 2x UART, 2x CAN, SDMMC, SWPMI, etc. |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl, featuring multiple power-saving modes (VBAT mode, Shutdown mode, Standby mode, Stop 2 mode, etc.)
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU and DSP instructions
- Advanced peripherals including up to 3 fast 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators
- Rich communication interfaces: USB OTG FS, multiple I2Cs, SPIs, USARTs, UARTs, CANs, SDMMC, and more
- Integrated LCD driver (8x40 or 4x44) with internal step-up converter and up to 24 capacitive sensing channels
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D)
- 8- to 14-bit camera interface and encryption hardware accelerator (HASH)
- External memory interface supporting SRAM, PSRAM, NOR, and NAND memories
- True random number generator, CRC calculation unit, and 96-bit unique ID
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption and high performance
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring advanced safety and security features
- IoT devices and smart sensors due to their low power and rich peripheral set
- Energy metering and monitoring systems
Q & A
- What is the core architecture of the STM32L496RGT3?
The STM32L496RGT3 is based on the Arm® Cortex®-M4 32-bit RISC core with a Floating Point Unit (FPU) and DSP instructions.
- What is the power supply range for the STM32L496RGT3?
The power supply range is from 1.71 V to 3.6 V using the internal LDO regulator, and from 1.05 V to 1.32 V using an external SMPS supply.
- What are the key power-saving modes of the STM32L496RGT3?
The device features VBAT mode, Shutdown mode, Standby mode, Stop 2 mode, and others, with current consumptions as low as 320 nA in VBAT mode.
- What types of memory does the STM32L496RGT3 have?
The device includes up to 1 MB of flash memory, 320 KB of SRAM (including 64 KB with hardware parity check), and supports external memory interfaces.
- What are the temperature operating ranges for the STM32L496RGT3?
The operating temperature range is from -40 °C to +85 °C (+105 °C junction), and from -40 °C to +125 °C (+130 °C junction).
- What communication interfaces are available on the STM32L496RGT3?
The device features USB OTG FS, multiple I2Cs, SPIs, USARTs, UARTs, CANs, SDMMC, and other communication interfaces.
- Does the STM32L496RGT3 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the purpose of the Chrom-ART Accelerator in the STM32L496RGT3?
The Chrom-ART Accelerator is dedicated to enhanced graphic content creation (DMA2D).
- Does the STM32L496RGT3 have any encryption capabilities?
Yes, it includes a hardware accelerator for HASH (SHA-256) encryption.
- What package options are available for the STM32L496RGT3?
The device is available in an LQFP 64 10x10x1.4 mm package.
