Overview
The STM32L486RGT6TR 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 for low-power applications, offering various power-saving modes such as VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode. It supports a wide temperature range from -40 °C to 85/105/125 °C and operates from a 1.71 to 3.6 V power supply.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Memory | 1 MB Flash, 128 KB SRAM |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| ADCs | 3x 12-bit ADCs, 5 Msps |
| DACs | 2x 12-bit DAC output channels |
| Timers | 16x timers (including 2x 16-bit advanced motor-control, 2x 32-bit, and 5x 16-bit general purpose) |
| Communication Interfaces | USB OTG 2.0 full-speed, 2x SAIs, 3x I2C FM+, 5x USARTs, 3x SPIs, CAN 2.0B |
| Power Modes | VBAT mode: 300 nA, Shutdown mode: 30 nA, Standby mode: 120 nA, Stop 2 mode: 1.1 µA |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl
- Arm® 32-bit Cortex®-M4 CPU with FPU and Adaptive real-time accelerator (ART Accelerator™)
- High-speed memories: 1 MB Flash, 128 KB SRAM
- Rich analog peripherals: 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, 2x ultra-low-power comparators
- Advanced communication interfaces: USB OTG 2.0, 2x SAIs, 3x I2C FM+, 5x USARTs, 3x SPIs, CAN 2.0B
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 24 capacitive sensing channels
- AES hardware accelerator for 128/256-bit key encryption
- Comprehensive set of power-saving modes
Applications
The STM32L486RGT6TR is suitable for a wide range of low-power applications, including:
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring high reliability and low power
- IoT devices and smart sensors
Q & A
- What is the core architecture of the STM32L486RGT6TR?
The core architecture is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).
- What is the operating voltage range of the STM32L486RGT6TR?
The operating voltage range is from 1.71 V to 3.6 V.
- What are the key power-saving modes available in the STM32L486RGT6TR?
The key power-saving modes include VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode.
- What types of communication interfaces are supported by the STM32L486RGT6TR?
The device supports USB OTG 2.0, 2x SAIs, 3x I2C FM+, 5x USARTs, 3x SPIs, and CAN 2.0B.
- What is the maximum frequency of the Cortex-M4 core?
The maximum frequency of the Cortex-M4 core is up to 80 MHz.
- How much memory does the STM32L486RGT6TR have?
The device has 1 MB of Flash memory and 128 KB of SRAM.
- What is the temperature range for the STM32L486RGT6TR?
The temperature range is from -40 °C to 85/105/125 °C.
- Does the STM32L486RGT6TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What is the package type of the STM32L486RGT6TR?
The package type is LQFP 64 10x10x1.4 mm.
- Does the STM32L486RGT6TR have an integrated LCD driver?
Yes, it has an integrated LCD driver 8x40 or 4x44 with an internal step-up converter.
