Overview
The STM32L486VGT6TR 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 STM32L486VGT6TR 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 security features.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Memories | 1 MB Flash, 2 banks read-while-write, 128 KB SRAM (including 32 KB with hardware parity check) |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to +85 °C / +105 °C / +125 °C |
| ADCs | Up to three fast 12-bit ADCs (5 Msps), up to 16-bit with hardware oversampling |
| DACs | Two 12-bit DAC output channels, low-power sample and hold |
| Timers | Two 32-bit timers, seven 16-bit general-purpose timers, two 16-bit low-power timers, two 16-bit advanced motor-control timers |
| Communication Interfaces | USB OTG 2.0 full-speed, two SAIs, three I2C FM+, five USARTs, three SPIs, CAN 2.0B, SDMMC interface |
| Power Modes | 300 nA in VBAT mode, 30 nA Shutdown mode, 120 nA Standby mode, 420 nA Standby mode with RTC, 1.1 μA Stop 2 mode, 1.4 μA with RTC |
| Package | LQFP 100 14x14x1.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl: Supports various power-saving modes including Shutdown, Standby, and Stop modes.
- High-Performance Core: Arm® 32-bit Cortex®-M4 CPU with FPU, operating at up to 80 MHz.
- Advanced Peripherals: Includes up to three fast 12-bit ADCs, two 12-bit DAC channels, two operational amplifiers, and two ultra-low-power comparators.
- Rich Communication Interfaces: USB OTG 2.0 full-speed, SAIs, I2C FM+, USARTs, SPIs, CAN 2.0B, and SDMMC interface.
- Security Features: AES hardware accelerator, memory protection unit (MPU), and proprietary code readout protection.
- Capacitive Sensing: Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- LCD Driver: Integrated LCD driver 8x40 or 4x44 with internal step-up converter.
- Independent Power Supplies: Analog independent supply input for ADC, DAC, OPAMPs, and comparators; dedicated supply input for USB and up to 14 I/Os.
Applications
- Industrial Automation: Suitable for control systems, motor control, and automation due to its advanced timers and communication interfaces.
- Medical Devices: Ideal for medical equipment requiring low power consumption and high performance, such as portable diagnostic devices.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics that need efficient power management.
- Automotive Systems: Applicable in automotive systems for control and monitoring, leveraging its robust communication and peripheral capabilities.
- IoT Devices: Suitable for Internet of Things (IoT) applications that require low power consumption, advanced security, and multiple communication interfaces.
Q & A
- What is the core architecture of the STM32L486VGT6TR?
The STM32L486VGT6TR 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 and temperature ranges for this device?
The device operates with a power supply of 1.71 V to 3.6 V and a temperature range of -40 °C to +85 °C / +105 °C / +125 °C.
- What types of memory does the STM32L486VGT6TR have?
The device features 1 MB Flash memory with 2 banks read-while-write and 128 KB of SRAM, including 32 KB with hardware parity check.
- What are the key power-saving modes of the STM32L486VGT6TR?
The device supports various power-saving modes including Shutdown, Standby, Stop 2, and VBAT modes, with current consumptions as low as 300 nA in VBAT mode.
- What communication interfaces are available on the STM32L486VGT6TR?
The device includes USB OTG 2.0 full-speed, SAIs, I2C FM+, USARTs, SPIs, CAN 2.0B, and SDMMC interface.
- Does the STM32L486VGT6TR have any security features?
Yes, it includes an AES hardware accelerator, a memory protection unit (MPU), and proprietary code readout protection.
- What types of analog peripherals are available on the STM32L486VGT6TR?
The device features up to three fast 12-bit ADCs, two 12-bit DAC channels, two operational amplifiers, and two ultra-low-power comparators.
- Can the STM32L486VGT6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- Does the STM32L486VGT6TR have an integrated LCD driver?
Yes, it includes an integrated LCD driver 8x40 or 4x44 with an internal step-up converter.
- What is the package type of the STM32L486VGT6TR?
The device is available in an LQFP 100 14x14x1.4 mm package.
