Overview
The STM32L4R9VIT6 is a member of the ultra-low-power STM32L4+ Series microcontrollers from STMicroelectronics. This device is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at frequencies up to 120 MHz. The Cortex-M4 core includes a single-precision floating-point unit (FPU) and supports all Arm® single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a Memory Protection Unit (MPU), enhancing security and performance. The STM32L4R9VIT6 is designed for applications requiring low power consumption and high performance, making it suitable for a wide range of industrial, medical, and consumer electronics.
Key Specifications
| Attribute | Value |
|---|---|
| Family Name | STM32L4 |
| Core Processor | ARM Cortex M4 |
| Program Memory Type | Flash |
| Flash Size | 2 MB |
| RAM Size | 640 kB |
| Maximum Frequency | 120 MHz |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to +85°C |
| Package Type | LQFP-100 |
| Mounting Type | Surface Mount |
| Pin Count | 100 |
| Interface/Connectivity | CANbus, EBI, EMI, IrDA, I2C, LINbus, MMC, SAI, SD, SPI, UART, USART, USB OTG |
| On-Chip ADC | 14-ch x 12-bit |
| On-Chip DAC | 2-ch x 12-bit |
| Watchdog Timers | 2 |
Key Features
- Ultra-low-power consumption with FlexPowerControl and batch acquisition mode (BAM)
- Single-precision FPU supporting all Arm® single-precision data-processing instructions and data types
- Full set of DSP instructions and MPU for enhanced security
- High-speed memories: 2 MB Flash, 640 kB SRAM
- FSMC for static memories and 2 OctoSPI Flash memories interface
- Extensive range of enhanced I/Os and peripherals connected to two APB buses, 2 AHB buses, and a 32-bit multi-AHB bus matrix
- RTC with HW calendar, alarms, and calibration
- Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
- Brownout reset (BOR) in all modes except shutdown and 5 μs wakeup from Stop mode
Applications
The STM32L4R9VIT6 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems
- Medical devices requiring low power and high performance
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power consumption
- IoT devices and smart sensors
Q & A
- What is the core processor of the STM32L4R9VIT6?
The core processor is the ARM Cortex M4. - What is the maximum operating frequency of the STM32L4R9VIT6?
The maximum operating frequency is 120 MHz. - How much Flash and RAM does the STM32L4R9VIT6 have?
The device has 2 MB of Flash memory and 640 kB of RAM. - What is the supply voltage range for the STM32L4R9VIT6?
The supply voltage range is from 1.71 V to 3.6 V. - What are the operating temperature ranges for the STM32L4R9VIT6?
The operating temperature range is from -40°C to +85°C. - What type of package does the STM32L4R9VIT6 come in?
The device comes in an LQFP-100 package. - Does the STM32L4R9VIT6 support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels. - What are some of the key peripherals available on the STM32L4R9VIT6?
The device includes peripherals such as CANbus, I2C, SPI, UART, USART, USB OTG, and more. - Is the STM32L4R9VIT6 suitable for low-power applications?
Yes, it is designed for ultra-low-power consumption with features like FlexPowerControl and batch acquisition mode. - Does the STM32L4R9VIT6 have a floating-point unit (FPU)?
Yes, it includes a single-precision FPU.
