Overview
The STM32L496ZGT6 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 designed with high-speed memories, including up to 1 Mbyte of flash memory and 320 Kbyte of SRAM. It also features a flexible external memory controller, Quad SPI flash memories interface, and an extensive range of enhanced I/Os and peripherals connected to multiple buses.
The STM32L496ZGT6 incorporates several protection mechanisms for embedded flash memory and SRAM, such as readout protection, write protection, and proprietary code readout protection. It also includes standard and advanced communication interfaces, making it versatile for various applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 Mbyte |
| SRAM | 320 Kbyte |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85 °C / -40 °C to 125 °C |
| Timers | 16 timers (including 2x 16-bit advanced motor-control, 2x 32-bit, 5x 16-bit general purpose, etc.) |
| RTC | With HW calendar, alarms, and calibration |
| I/Os | Up to 136 fast I/Os, most 5 V-tolerant |
| Communication Interfaces | USB OTG full-speed, 4x I2C, 3x SPI, 3x USART, 2x CAN, etc. |
| Energy Benchmark | 279 ULPMark™ CP score, 80.2 ULPMark™ PP score |
Key Features
- Ultra-Low Power Consumption: Features like 25 nA Shutdown mode, 108 nA Standby mode, and 2.57 µA Stop 2 mode contribute to its ultra-low power profile.
- Advanced Peripherals: Includes a dedicated Chrom-ART Accelerator for enhanced graphic content creation, an 8- to 14-bit camera interface, and rich analog peripherals like 3x 12-bit ADCs and 2x operational amplifiers.
- Security Features: Embeds HASH hardware accelerators and various protection mechanisms for embedded flash memory and SRAM, such as readout protection and proprietary code readout protection.
- Communication Interfaces: Offers a wide range of communication interfaces including USB OTG full-speed, multiple I2Cs, SPIs, USARTs, CANs, and more.
- Performance and Efficiency: Achieves 1.25 DMIPS/MHz (Drystone 2.1) and 273.55 Coremark® (3.42 Coremark/MHz at 80 MHz), with an Adaptive real-time accelerator (ART Accelerator™) for efficient execution from flash memory).
Applications
- Industrial Automation: Suitable for control systems, motor control, and other industrial automation applications due to its advanced motor-control timers and robust communication interfaces.
- Medical Devices: The ultra-low power consumption and advanced peripherals make it ideal for medical devices that require high performance and low energy usage.
- Consumer Electronics: Can be used in various consumer electronics such as smart home devices, wearables, and other IoT applications due to its versatile set of features and interfaces.
- Automotive Systems: The device's robustness and wide range of communication interfaces make it suitable for automotive systems, including infotainment and control systems.
Q & A
- What is the core architecture of the STM32L496ZGT6?
The STM32L496ZGT6 is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).
- What is the maximum frequency of the STM32L496ZGT6?
The maximum frequency is up to 80 MHz.
- What are the power supply and temperature ranges for the STM32L496ZGT6?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85 °C / -40 °C to 125 °C.
- What are the key security features of the STM32L496ZGT6?
The device includes readout protection, write protection, proprietary code readout protection, and a memory protection unit (MPU).
- What communication interfaces are available on the STM32L496ZGT6?
The device features USB OTG full-speed, multiple I2Cs, SPIs, USARTs, CANs, and other communication interfaces.
- What is the ultra-low power consumption profile of the STM32L496ZGT6?
The device features 25 nA Shutdown mode, 108 nA Standby mode, and 2.57 µA Stop 2 mode.
- Does the STM32L496ZGT6 support graphic content creation?
Yes, it includes a dedicated Chrom-ART Accelerator for enhanced graphic content creation.
- What are the performance benchmarks of the STM32L496ZGT6?
The device achieves 1.25 DMIPS/MHz (Drystone 2.1) and 273.55 Coremark® (3.42 Coremark/MHz at 80 MHz).
- What types of timers are available on the STM32L496ZGT6?
The device includes 16 timers, including advanced motor-control timers, general-purpose timers, and low-power timers.
- Does the STM32L496ZGT6 support external memory interfaces?
Yes, it supports external memory interfaces for static memories, including SRAM, PSRAM, NOR, and NAND memories.
