Overview
The STM32L4A6RGT6TR is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. This microcontroller is based on the Arm® Cortex®-M4 core with a floating-point unit (FPU), making it suitable for a wide range of applications that require high processing power and low energy consumption.
It features advanced peripherals and a comprehensive set of power-saving modes, making it an ideal choice for battery-powered devices and applications requiring extended battery life.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU | Arm® 32-bit Cortex®-M4 with FPU, up to 80 MHz |
| Memory | 1 MB flash, 320 KB SRAM |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/125 °C |
| Low-Power Modes | Shutdown, Standby, Stop 2, VBAT mode |
| Current Consumption | 91 µA/MHz (run mode), 2.57 µA (Stop 2 mode), 25 nA (Shutdown mode) |
| Timers | 16 timers including advanced motor-control, general-purpose, and low-power timers |
| Communication Interfaces | USB OTG 2.0, 2x SAIs, 4x I2C, 5x USARTs, 3x SPIs, 2x CANs, SDMMC |
| Analog Peripherals | 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, 2x ultra-low-power comparators |
| Package | LQFP-64 (10x10 mm) |
Key Features
- Ultra-Low Power Consumption: Features like FlexPowerControl, low-power modes (Shutdown, Standby, Stop 2), and a power supply range of 1.71 V to 3.6 V make it highly energy-efficient.
- Advanced Peripherals: Includes 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators.
- Rich Communication Interfaces: Supports USB OTG 2.0, serial audio interfaces (SAIs), I2C, USARTs, SPIs, CANs, and SDMMC.
- High-Performance Core: Arm® Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and a maximum frequency of 80 MHz.
- Security Features: Includes AES and HASH hardware accelerators for advanced encryption and secure data processing.
- Touch Sensing and LCD Controller: Supports up to 24 capacitive sensing channels and an LCD controller with step-up converter.
Applications
- Industrial Automation: Suitable for control systems, motor control, and industrial communication due to its advanced timers and communication interfaces.
- Medical Devices: Ideal for medical devices requiring low power consumption and high processing capabilities.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics that need efficient power management.
- Automotive Systems: Can be used in automotive applications such as infotainment systems and vehicle control units.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require low power consumption and advanced communication capabilities.
Q & A
- What is the maximum clock frequency of the STM32L4A6RGT6TR?
The maximum clock frequency is 80 MHz.
- What is the power supply range for this microcontroller?
The power supply range is from 1.71 V to 3.6 V.
- What types of timers are available on this microcontroller?
The microcontroller includes 16 timers: advanced motor-control timers, general-purpose timers, and low-power timers.
- Does the STM32L4A6RGT6TR support encryption?
Yes, it includes AES and HASH hardware accelerators for encryption.
- What is the memory configuration of the STM32L4A6RGT6TR?
It has 1 MB of flash memory and 320 KB of SRAM.
- What are the low-power modes available on this microcontroller?
The available low-power modes include Shutdown, Standby, Stop 2, and VBAT mode.
- What is the current consumption in the Stop 2 mode?
The current consumption in the Stop 2 mode is approximately 2.57 µA.
- Does the STM32L4A6RGT6TR support touch sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What communication interfaces are available on this microcontroller?
It supports USB OTG 2.0, SAIs, I2C, USARTs, SPIs, CANs, and SDMMC.
- What is the package type of the STM32L4A6RGT6TR?
The package type is LQFP-64 (10x10 mm).
