Overview
The STM32L496RET6 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 features 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.
The microcontroller is designed for low-power applications, offering various power-saving modes and a wide range of peripherals and interfaces. It is suitable for applications requiring high performance, low power consumption, and advanced features such as LCD driving, capacitive sensing, and multiple communication interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 MB |
| SRAM | 320 KB (including 64 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V (internal LDO), 1.05 V to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to +85 °C (+105 °C junction), -40 °C to +125 °C (+130 °C junction) |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Timers | 16 timers (including 2x 16-bit advanced motor-control, 2x 32-bit, and 5x 16-bit general purpose) |
| Communication Interfaces | USB OTG full-speed, 4x I2C, 3x SPI, 3x USART, 2x UART, 2x CAN, etc. |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl, offering various power-saving modes such as Shutdown, Standby, and Stop modes.
- Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from flash memory.
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D).
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter.
- Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- Rich analog peripherals including operational amplifiers, comparators, and DACs.
- Advanced communication interfaces such as USB OTG, I2C, SPI, USART, UART, CAN, and more.
- Encryption hardware accelerator: HASH (SHA-256).
- External memory interface for static memories supporting SRAM, PSRAM, NOR, and NAND memories.
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 metering and smart grid applications.
Q & A
- What is the core architecture of the STM32L496RET6?
The STM32L496RET6 is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).
- What is the maximum operating frequency of the STM32L496RET6?
The maximum operating frequency is up to 80 MHz.
- How much flash memory does the STM32L496RET6 have?
The device has up to 1 MB of flash memory.
- What are the power supply ranges for the STM32L496RET6?
The power supply ranges are 1.71 V to 3.6 V (internal LDO) and 1.05 V to 1.32 V (external SMPS).
- What are the key analog peripherals available on the STM32L496RET6?
The device includes up to three fast 12-bit ADCs, two 12-bit DAC output channels, two operational amplifiers, and two ultra-low-power comparators.
- Does the STM32L496RET6 support capacitive sensing?
- What communication interfaces are available on the STM32L496RET6?
The device features USB OTG full-speed, four I2Cs, three SPIs, three USARTs, two UARTs, two CANs, and more.
- What is the temperature range for the STM32L496RET6?
The temperature range is -40 °C to +85 °C (+105 °C junction), and -40 °C to +125 °C (+130 °C junction).
- Does the STM32L496RET6 have any encryption hardware accelerators?
- What are the power-saving modes available on the STM32L496RET6?
The device offers various power-saving modes including Shutdown, Standby, and Stop modes.
