Overview
The STM32L496ZET6 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) single precision, supporting all Arm® single-precision data-processing instructions and data types. The Cortex-M4 core also implements a full set of DSP instructions and a memory protection unit (MPU) to enhance application security. The device includes several protection mechanisms for embedded flash memory and SRAM, such as readout protection, write protection, proprietary code readout protection, and firewall.
The microcontroller is designed for low-power applications, offering various power-saving modes and a comprehensive set of peripherals, including advanced communication interfaces and analog peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM® Cortex®-M4 32-bit Single-Core |
| Operating Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 MB (512 KB for STM32L496ZET6 specifically) |
| SRAM | 320 KB (including 64 KB with hardware parity check) |
| Operating Voltage (VDD) | 1.71 V to 3.6 V |
| Operating Voltage (VDD12) | 1.05 V to 1.32 V |
| Operating Temperature | -40°C to 85°C (up to 125°C junction temperature) |
| ADCs | Up to 3 fast 12-bit ADCs (5 Msps) |
| DACs | 2 x 12-bit DAC output channels |
| 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 | 4 I²Cs, 3 SPIs, 3 USARTs, 2 UARTs, 1 Low-Power UART, 2 SAIs, 1 SDMMC, 2 CANs, 1 USB OTG full-speed, 1 SWPMI |
| GPIOs | 115 GPIOs, 5 wakeup pins, 14 I/Os down to 1.08 V |
| Capacitive Sensing Channels | Up to 24 channels |
Key Features
- Ultra-low-power consumption with FlexPowerControl, including multiple power-saving modes (e.g., Shutdown, Standby, Stop 2 modes).
- High-performance Arm® Cortex®-M4 32-bit RISC core with FPU, DSP instructions, and MPU for enhanced security.
- Advanced communication interfaces: I²C, SPI, USART, UART, Low-Power UART, SAI, SDMMC, CAN, USB OTG full-speed, SWPMI.
- Analog peripherals: 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, 2x ultra-low-power comparators.
- Integrated LCD driver (8x40 or 4x44) with internal step-up converter and support for capacitive sensing channels.
- Encryption hardware accelerator: HASH (SHA-256).
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D).
- External memory interface for static memories (SRAM, PSRAM, NOR, NAND).
- Quad SPI flash memories interface and dual-flash read-while-write capability.
Applications
- Low-power IoT devices and smart sensors due to its ultra-low-power consumption and advanced power-saving modes.
- Industrial automation and control systems, leveraging its advanced motor control timers and communication interfaces.
- Medical devices requiring precise analog measurements and low power consumption.
- Consumer electronics, such as smart home devices and wearables, benefiting from its high-performance core and extensive peripheral set.
- Automotive systems, including infotainment and driver assistance systems, due to its robust communication interfaces and security features).
Q & A
- What is the core processor of the STM32L496ZET6?
The core processor is the ARM® Cortex®-M4 32-bit RISC core.
- What is the maximum operating frequency of the STM32L496ZET6?
The maximum operating frequency is up to 80 MHz.
- How much flash and SRAM memory does the STM32L496ZET6 have?
The STM32L496ZET6 has up to 512 KB of flash memory and 320 KB of SRAM.
- What are the operating voltage ranges for the STM32L496ZET6?
The operating voltage ranges are 1.71 V to 3.6 V (VDD) and 1.05 V to 1.32 V (VDD12).
- What types of communication interfaces does the STM32L496ZET6 support?
The device supports I²C, SPI, USART, UART, Low-Power UART, SAI, SDMMC, CAN, USB OTG full-speed, and SWPMI.
- Does the STM32L496ZET6 have any specific power-saving modes?
Yes, it includes multiple power-saving modes such as Shutdown, Standby, and Stop 2 modes.
- What kind of analog peripherals are available on the STM32L496ZET6?
The device features 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators.
- Is the STM32L496ZET6 suitable for industrial applications?
Yes, it is suitable due to its advanced motor control timers and robust communication interfaces.
- Does the STM32L496ZET6 support external memory interfaces?
Yes, it supports external memory interfaces for static memories like SRAM, PSRAM, NOR, and NAND.
- What is the temperature range for the STM32L496ZET6?
The operating temperature range is -40°C to 85°C (up to 125°C junction temperature).
