Overview
The STM32L4R5QGI6TR is a member of the STM32L4+ Series of ultra-low-power microcontrollers from STMicroelectronics. This device is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, which includes a single-precision floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and DSP instructions. The microcontroller operates at a frequency of up to 120 MHz and features an adaptive real-time accelerator (ART Accelerator) for 0-wait-state execution from Flash memory. It is designed to offer high performance while minimizing power consumption, making it ideal for applications requiring low energy usage.
Key Specifications
| Specification | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Maximum Clock Frequency | 120 MHz |
| Flash Memory | 2 Mbytes |
| SRAM | 640 Kbytes |
| ADC Resolution | 12-bit, up to 16-bit with hardware oversampling |
| ADC Speed | 5 Msps |
| DAC Channels | 2 x 12-bit |
| Operational Amplifiers | 2 with built-in PGA |
| Comparators | 2 ultra-low-power |
| Timers | 2 x 32-bit, 11 x 16-bit, 2 x low-power 16-bit |
| Communication Interfaces | USB OTG 2.0, 4 x I2C, 3 x SPI, 3 x USART, 2 x UART, 1 x CAN, 1 x SDMMC |
| Power Supply | 1.71 V to 3.6 V (internal LDO), 1.05 V to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to +85 °C / +125 °C |
| Package | UFBGA 132 7x7x0.6 P 0.5 mm |
| I/Os | Up to 110 I/Os |
Key Features
- Ultra-low-power with FlexPowerControl
- Arm® 32-bit Cortex®-M4 CPU with FPU, adaptive real-time accelerator (ART Accelerator), and DSP instructions
- High-speed memories: 2 Mbytes of Flash memory and 640 Kbytes of SRAM
- Flexible external memory controller (FSMC) and two OctoSPI Flash memories interface
- Advanced analog peripherals: 12-bit ADC, 12-bit DAC, operational amplifiers, and ultra-low-power comparators
- Extensive range of communication interfaces: USB OTG, I2C, SPI, USART, UART, CAN, SDMMC
- Multiple power-saving modes: Shutdown, Standby, Stop 2 with RTC, and VBAT mode
- Support for capacitive sensing channels and touchkey, linear, and rotary touch sensors
- Advanced graphics features: Chrom-ART Accelerator (DMA2D) and Chrom-GRC (GFXMMU)
- Internal voltage reference buffer, low-power RTC, and multiple timers
Applications
The STM32L4R5QGI6TR is suitable for a wide range of applications that require low power consumption and high performance. These include:
- IoT devices and smart home appliances
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Automotive systems, especially those requiring low power and high reliability
- Consumer electronics, such as wearables and portable devices
- Sensor-based systems and data acquisition devices
Q & A
- What is the core architecture of the STM32L4R5QGI6TR?
The STM32L4R5QGI6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU) and DSP instructions.
- What is the maximum clock frequency of the STM32L4R5QGI6TR?
The maximum clock frequency is up to 120 MHz.
- How much Flash memory and SRAM does the STM32L4R5QGI6TR have?
The device has 2 Mbytes of Flash memory and 640 Kbytes of SRAM).
- What are the key analog peripherals of the STM32L4R5QGI6TR?
The device features a 12-bit ADC, 12-bit DAC, two operational amplifiers, and two ultra-low-power comparators).
- What communication interfaces are available on the STM32L4R5QGI6TR?
The device includes USB OTG 2.0, four I2C interfaces, three SPI interfaces, three USART interfaces, two UART interfaces, one CAN interface, and one SDMMC interface).
- What are the power-saving modes available on the STM32L4R5QGI6TR?
The device supports multiple power-saving modes including Shutdown, Standby, Stop 2 with RTC, and VBAT mode).
- What is the temperature range for the STM32L4R5QGI6TR?
The device operates in the -40 °C to +85 °C / +125 °C temperature range).
- How many I/Os does the STM32L4R5QGI6TR have?
The device has up to 110 I/Os, most of which are 5 V-tolerant).
- What is the package type of the STM32L4R5QGI6TR?
The device is packaged in a UFBGA 132 7x7x0.6 P 0.5 mm package).
- Does the STM32L4R5QGI6TR support capacitive sensing?
Yes, the device supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors).
- What advanced graphics features does the STM32L4R5QGI6TR have?
The device features a Chrom-ART Accelerator (DMA2D) and Chrom-GRC (GFXMMU) for enhanced graphic content creation and optimization).
