Overview
The STM32L496RET6TR is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. It 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. The device is part of the STM32L496xx family, known for its ultra-low-power consumption and advanced peripherals.
This microcontroller is designed for applications requiring high performance, low power consumption, and a wide range of peripherals. It includes advanced security features such as a memory protection unit (MPU) and various protection mechanisms for embedded flash memory and SRAM.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit RISC core with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 MB, 2 banks read-while-write, proprietary code readout protection |
| SRAM | 320 KB, including 64 KB with hardware parity check |
| Power Supply | 1.71 V to 3.6 V (internal LDO), 1.05 to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to 85 °C / 125 °C |
| Package | LQFP 64 10x10x1.4 mm |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Timers | 16 timers: 2x 32-bit, 9x 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, 3x USART, 2x CAN, SDMMC, etc. |
| 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
- Advanced security features including MPU, readout protection, write protection, and proprietary code readout protection
- High-speed memories and flexible external memory controller
- Quad SPI flash memories interface and dual-flash Quad SPI memory interface
- Rich analog peripherals including 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
- 20x communication interfaces including USB OTG, I2C, SPI, USART, CAN, and SDMMC
- 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)
- 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, including infotainment and driver assistance
- IoT devices and smart sensors
- Energy-efficient solutions in various sectors
Q & A
- What is the core architecture of the STM32L496RET6TR?
The STM32L496RET6TR 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 STM32L496RET6TR?
The maximum operating frequency is up to 80 MHz.
- How much flash memory does the STM32L496RET6TR have?
The device has up to 1 MB of flash memory with 2 banks read-while-write and proprietary code readout protection.
- What are the power supply ranges for the STM32L496RET6TR?
The power supply ranges 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.
- What are the key power-saving modes of the STM32L496RET6TR?
The device features 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 STM32L496RET6TR?
The device includes USB OTG 2.0 full-speed, I2C, SPI, USART, CAN, SDMMC, and other communication interfaces.
- Does the STM32L496RET6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the temperature range for the STM32L496RET6TR?
The operating temperature range is from -40 °C to 85 °C / 125 °C.
- What is the package type of the STM32L496RET6TR?
The package type is LQFP 64 10x10x1.4 mm.
- Does the STM32L496RET6TR have any dedicated hardware accelerators?
Yes, it includes a HASH hardware accelerator (SHA-256) and a Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D).
