Overview
The STM32L4R9ZIY6TR 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. The Cortex-M4 core also features a full set of DSP instructions and a memory protection unit (MPU) for enhanced security. The STM32L4R9ZIY6TR operates at frequencies up to 120 MHz and is designed for low-power applications, making it suitable for a wide range of energy-efficient designs.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| 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 V to 3.6 V (internal LDO), 1.05 to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to +85 °C (+105 °C junction), -40 °C to +125 °C (+130 °C junction) |
| ADC | 12-bit, 5 Msps, up to 16-bit with hardware oversampling |
| DAC | 2 x 12-bit, low-power sample and hold |
| Timers | 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit, 5 x 16-bit general purpose, 2x low-power 16-bit timers |
| Communication Interfaces | USB OTG 2.0 full-speed, 2x SAIs, 4x I2C, 3x SPI, 3x USART, 1x CAN |
| Package | WLCSP 144 5.3x5.3x0.6 P 0.4 mm |
Key Features
- Ultra-low-power with FlexPowerControl and multiple power-saving modes.
- Advanced graphics features including Chrom-ART Accelerator (DMA2D) and Chrom-GRC (GFXMMU).
- Rich analog peripherals: 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators.
- Extensive range of communication interfaces: USB OTG, SAIs, I2Cs, SPIs, USARTs, CAN.
- Up to 24 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- RTC with hardware calendar, alarms, and calibration.
- Support for external memory interfaces and OctoSPI Flash memories.
Applications
The STM32L4R9ZIY6TR is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Medical devices requiring low power consumption.
- Consumer electronics such as smart home devices and wearables.
- Automotive systems, especially those requiring high performance and low power.
- IoT devices and smart sensors.
Q & A
- What is the core architecture of the STM32L4R9ZIY6TR? The core is based on the Arm® 32-bit Cortex®-M4 CPU with a single-precision floating-point unit (FPU).
- What is the maximum operating frequency of the STM32L4R9ZIY6TR? The maximum operating frequency is up to 120 MHz.
- What are the power supply ranges for the STM32L4R9ZIY6TR? The device operates from 1.71 V to 3.6 V using the internal LDO regulator and from 1.05 to 1.32 V using an external SMPS supply.
- What is the temperature range for the STM32L4R9ZIY6TR? The device operates in the -40 °C to +85 °C (+105 °C junction) and -40 °C to +125 °C (+130 °C junction) temperature ranges.
- What types of timers are available on the STM32L4R9ZIY6TR? The device features 16 timers, including 2 x 16-bit advanced motor-control timers, 2 x 32-bit timers, and several general-purpose and low-power timers.
- Does the STM32L4R9ZIY6TR support capacitive sensing? Yes, it supports up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What communication interfaces are available on the STM32L4R9ZIY6TR? The device includes USB OTG 2.0 full-speed, SAIs, I2Cs, SPIs, USARTs, and CAN interfaces.
- What is the package type for the STM32L4R9ZIY6TR? The device is available in a WLCSP 144 5.3x5.3x0.6 P 0.4 mm package.
- Does the STM32L4R9ZIY6TR have any specific power-saving modes? Yes, it features multiple power-saving modes including Shutdown, Standby, and Stop modes, among others.
- What is the purpose of the Chrom-ART Accelerator in the STM32L4R9ZIY6TR? The Chrom-ART Accelerator (DMA2D) is used for enhanced graphic content creation and optimization of graphic resources.
