Overview
The STM32L4A6RGT7TR 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.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | 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 |
| ADCs | Up to three fast 12-bit ADCs (5 Msps) |
| DACs | Two 12-bit DAC output channels |
| 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 |
| Communication Interfaces | USB OTG 2.0 full-speed, 4x I2C, 3x SPI, 5x U(S)ARTs, 2x CANs, SDMMC, SWPMI |
| Security Features | AES and HASH hardware accelerators |
| Package | LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl, offering various power-saving modes such as Shutdown, Standby, and Stop modes.
- High-speed memories including 1 MB of flash memory and 320 KB of SRAM.
- Flexible external memory controller (FSMC) and Quad SPI flash memories interface.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses, and a 32-bit multi-AHB bus matrix.
- Rich analog peripherals including operational amplifiers, comparators, and an internal voltage reference buffer.
- Integrated LCD driver with internal step-up converter and up to 24 capacitive sensing channels.
- Dedicated Chrom-ART Accelerator for enhanced graphic content creation (DMA2D).
- Encryption hardware accelerators: AES (128/256-bit key), HASH (SHA-256).
Applications
The STM32L4A6RGT7TR is suitable for a wide range of applications that require low power consumption and high performance, such as:
- Industrial automation and control systems.
- Medical devices and healthcare equipment.
- Consumer electronics requiring low power and advanced features.
- Automotive systems, especially those needing robust security and communication capabilities.
- IoT devices and smart home appliances.
Q & A
- What is the core architecture of the STM32L4A6RGT7TR?
The STM32L4A6RGT7TR is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU). - What is the maximum operating frequency of the STM32L4A6RGT7TR?
The maximum operating frequency is up to 80 MHz. - What are the power supply and temperature ranges for the STM32L4A6RGT7TR?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/125 °C. - What types of memory does the STM32L4A6RGT7TR have?
The device has 1 MB of flash memory and 320 KB of SRAM. - What are the key communication interfaces available on the STM32L4A6RGT7TR?
The device features USB OTG 2.0 full-speed, four I2Cs, three SPIs, five U(S)ARTs, two CANs, and an SDMMC interface. - Does the STM32L4A6RGT7TR have any security features?
Yes, it includes AES and HASH hardware accelerators for enhanced security. - What are the power-saving modes available on the STM32L4A6RGT7TR?
The device offers various power-saving modes including Shutdown, Standby, and Stop modes. - Can the STM32L4A6RGT7TR be used in industrial automation?
Yes, it is suitable for industrial automation and control systems due to its low power consumption and robust features. - What is the package type for the STM32L4A6RGT7TR?
The package type is LQFP 64 10x10x1.4 mm. - Does the STM32L4A6RGT7TR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
