Overview
The STM32L496QGI6 is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. It is based on the ARM Cortex-M4 32-bit RISC core with a floating-point unit (FPU), enabling efficient execution of complex algorithms. This MCU is designed for applications requiring high processing power, low energy consumption, and advanced peripherals.
The device incorporates ST's state-of-the-art patented technology, including the FlexPowerControl system, which ensures ultra-low power consumption across various operating modes. It is suitable for a wide range of applications, including industrial control, medical devices, and IoT solutions.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M4 with FPU |
| Program Memory Size | 1 MB Flash |
| RAM Size | 320 KB SRAM (including 64 KB with hardware parity check) |
| ADC Resolution | 3 x 12-bit ADCs, up to 16-bit with hardware oversampling |
| DAC Output Channels | 2 x 12-bit DAC output channels |
| Operating Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40 °C to 85/125 °C |
| Clock Speed | Up to 80 MHz |
| Communication Interfaces | USB OTG 2.0 full-speed, 2x SAIs, 4x I2C, 5x U(S)ARTs, 1x LPUART, 3x SPIs, 2x CANs, SDMMC |
| Package Type | UFBGA132 (7 x 7 mm) |
Key Features
- Ultra-low-power consumption: Features like FlexPowerControl, low-power modes (e.g., Shutdown, Standby, Stop 2), and batch acquisition mode (BAM) ensure minimal energy usage.
- Advanced Core: ARM Cortex-M4 32-bit RISC core with FPU, Adaptive real-time accelerator (ART Accelerator™), and memory protection unit (MPU).
- Rich Analog Peripherals: Includes 3 x 12-bit ADCs, 2 x 12-bit DAC output channels, operational amplifiers, and ultra-low-power comparators.
- Extensive Communication Interfaces: USB OTG 2.0 full-speed, serial audio interfaces (SAIs), I2C, U(S)ARTs, LPUART, SPIs, CANs, and SDMMC.
- Graphics and Touch Sensing: Dedicated Chrom-ART Accelerator for enhanced graphic content creation and support for touchkey, linear, and rotary touch sensors.
- Real-Time Clock and Backup Registers: RTC with hardware calendar, alarms, and calibration, along with backup registers.
- Security Features: True random number generator, CRC calculation unit, and 96-bit unique ID.
Applications
- Industrial Control Systems: Suitable for industrial automation, motor control, and sensor interfaces.
- Medical Devices: Ideal for medical equipment requiring low power consumption and high processing capabilities.
- Internet of Things (IoT): Used in IoT applications such as smart home devices, wearables, and wireless sensors.
- Automotive Systems: Applicable in automotive electronics for control units, infotainment systems, and safety features.
- Consumer Electronics: Suitable for consumer devices like smart meters, fitness trackers, and audio equipment.
Q & A
- What is the core architecture of the STM32L496QGI6?
The STM32L496QGI6 is based on the ARM Cortex-M4 32-bit RISC core with a floating-point unit (FPU).
- What is the maximum clock speed of the STM32L496QGI6?
The maximum clock speed is up to 80 MHz.
- What are the key low-power modes of the STM32L496QGI6?
The device features several low-power modes including Shutdown, Standby, Stop 2, and VBAT mode).
- What types of communication interfaces does the STM32L496QGI6 support?
The device supports USB OTG 2.0 full-speed, SAIs, I2C, U(S)ARTs, LPUART, SPIs, CANs, and SDMMC).
- What is the memory configuration of the STM32L496QGI6?
The device has up to 1 MB of Flash memory and 320 KB of SRAM, including 64 KB with hardware parity check).
- What are the operating voltage and temperature ranges of the STM32L496QGI6?
The operating voltage range is 1.71 V to 3.6 V, and the operating temperature range is -40 °C to 85/125 °C).
- Does the STM32L496QGI6 support touch sensing?
Yes, it supports touchkey, linear, and rotary touch sensors).
- What security features are included in the STM32L496QGI6?
The device includes a true random number generator, CRC calculation unit, and a 96-bit unique ID).
- What package types are available for the STM32L496QGI6?
The device is available in UFBGA132 (7 x 7 mm) among other packages).
- What is the purpose of the Chrom-ART Accelerator in the STM32L496QGI6?
The Chrom-ART Accelerator is dedicated to enhanced graphic content creation and supports DMA2D operations).
