Overview
The STM32L496VGY6PTR 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. This device features a Floating Point Unit (FPU) and 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) 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 capacitive sensing, LCD driving, and multiple communication interfaces.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Memory | Up to 1 MB flash, 320 KB SRAM (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 |
| 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 |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| Operational Amplifiers | Two operational amplifiers with built-in PGA |
| Comparators | Two ultra-low-power comparators |
| Communication Interfaces | USB OTG 2.0 full-speed, 4x I2C, 3x SPI, 3x USART, 2x CAN, SDMMC, SWPMI, etc. |
| Package | WLCSP 100 4.2x4.7x0.6 P 0.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl, offering modes such as Shutdown, Standby, and Stop 2 with very low current consumption (e.g., 25 nA in Shutdown mode, 2.57 µA in Stop 2 mode).
- High-performance Arm® Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions.
- Rich set of peripherals including up to three fast 12-bit ADCs, two 12-bit DACs, two operational amplifiers, and two ultra-low-power comparators.
- Advanced communication interfaces: USB OTG 2.0 full-speed, four I2Cs, three SPIs, three USARTs, two CANs, SDMMC, and more.
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter and up to 24 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 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, especially those requiring advanced motor control and communication interfaces.
- IoT devices that need efficient power management and a wide range of peripherals.
Q & A
- What is the core architecture of the STM32L496VGY6PTR?
The core architecture is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU), operating at up to 80 MHz.
- What are the power supply ranges for this microcontroller?
The power supply ranges are 1.71 V to 3.6 V (internal LDO) and 1.05 to 1.32 V (external SMPS).
- What are the key power-saving modes available?
The device offers several power-saving modes including Shutdown, Standby, and Stop 2 modes, with very low current consumption (e.g., 25 nA in Shutdown mode, 2.57 µA in Stop 2 mode).
- What types of memory does the STM32L496VGY6PTR have?
The device has up to 1 MB of flash memory and 320 KB of SRAM, including 64 KB with hardware parity check.
- What communication interfaces are available on this microcontroller?
The device features USB OTG 2.0 full-speed, four I2Cs, three SPIs, three USARTs, two CANs, SDMMC, and more.
- Does the STM32L496VGY6PTR 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 STM32L496VGY6PTR?
The operating temperature range is -40 °C to 85 °C / 125 °C.
- What package options are available for the STM32L496VGY6PTR?
The device is available in a WLCSP 100 4.2x4.7x0.6 P 0.4 mm package.
- Does the STM32L496VGY6PTR have any encryption hardware accelerators?
Yes, it includes a HASH hardware accelerator (SHA-256).
- What is the purpose of the Chrom-ART Accelerator in the STM32L496VGY6PTR?
The Chrom-ART Accelerator is dedicated to enhanced graphic content creation (DMA2D).
