Overview
The STM32L4R9ZIY6PTR 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.
The STM32L4R9ZIY6PTR is designed for low-power applications, offering various power-saving modes and a comprehensive set of peripherals. It is suitable for a wide range of applications, including industrial, personal electronics, and IoT devices.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Core | Arm® Cortex®-M4 32-bit RISC core with FPU |
| Operating Frequency | Up to 120 MHz |
| Flash Memory | 2 Mbytes, 2 banks read-while-write, proprietary code readout protection |
| SRAM | 640 Kbytes, including 64 Kbytes with hardware parity check |
| Power Supply | 1.71 to 3.6 V (VDD), 1.05 to 1.32 V (VDD12 with external SMPS) |
| Temperature Range | -40 °C to 85 °C / 125 °C (junction temperature up to 105 °C / 130 °C) |
| ADC Resolution | 12-bit, up to 16-bit with hardware oversampling |
| DAC Channels | 2 x 12-bit DAC |
| Operational Amplifiers | 2 x operational amplifiers with built-in PGA |
| Comparators | 2 x ultra-low-power comparators |
| Communication Interfaces | USB OTG 2.0 full-speed, 4 x I2C, 3 x SPI, 3 x USART, 2 x UART, 1 x low-power UART, 1 x CAN, 1 x SDMMC |
| Timers | 2 x 32-bit, 11 x 16-bit, 2 x low-power 16-bit timers |
| Package | WLCSP 144 (5.3x5.3 mm) |
Key Features
- Ultra-low-power with FlexPowerControl and multiple power-saving modes (e.g., Shutdown, Standby, Stop 2 with RTC)
- High-speed memories: 2 Mbytes of Flash and 640 Kbytes of SRAM
- Flexible external memory controller (FSMC) and two OctoSPI Flash memories interfaces
- 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
- Support for capacitive sensing: up to 24 capacitive sensing channels
- Advanced graphics features: Chrom-ART Accelerator (DMA2D) and MIPI DSI Host controller
- Independent power supplies for analog and digital components
- VBAT input for RTC and backup registers
Applications
- Industrial automation and control systems
- Personal electronics and wearable devices
- Internet of Things (IoT) devices and smart home applications
- Motor control and power management systems
- Medical devices and healthcare equipment
- Automotive systems and telematics
Q & A
- What is the core architecture of the STM32L4R9ZIY6PTR?
The STM32L4R9ZIY6PTR is based on the Arm® Cortex®-M4 32-bit RISC core with a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32L4R9ZIY6PTR?
The maximum operating frequency is up to 120 MHz.
- How much Flash and SRAM memory does the STM32L4R9ZIY6PTR have?
The device has 2 Mbytes of Flash memory and 640 Kbytes of SRAM.
- What are the power supply ranges for the STM32L4R9ZIY6PTR?
The power supply ranges are 1.71 to 3.6 V (VDD) and 1.05 to 1.32 V (VDD12 with external SMPS).
- What is the temperature range for the STM32L4R9ZIY6PTR?
The operating temperature range is -40 °C to 85 °C / 125 °C (junction temperature up to 105 °C / 130 °C).
- What are the key analog peripherals of the STM32L4R9ZIY6PTR?
The device includes a 12-bit ADC, 12-bit DAC, operational amplifiers, and ultra-low-power comparators.
- What communication interfaces are available on the STM32L4R9ZIY6PTR?
The device supports USB OTG, I2C, SPI, USART, UART, CAN, and SDMMC interfaces.
- Does the STM32L4R9ZIY6PTR support capacitive sensing?
Yes, it supports up to 24 capacitive sensing channels.
- What are the advanced graphics features of the STM32L4R9ZIY6PTR?
The device includes the Chrom-ART Accelerator (DMA2D) and MIPI DSI Host controller.
- Can the STM32L4R9ZIY6PTR operate in low-power modes?
Yes, it offers multiple low-power modes such as Shutdown, Standby, and Stop 2 with RTC.
- What is the package type of the STM32L4R9ZIY6PTR?
The package type is WLCSP 144 (5.3x5.3 mm).
