Overview
The STM32L4R5ZIT6 is a member of the STM32L4+ Series of ultra-low-power microcontrollers from STMicroelectronics. It 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. This microcontroller is designed to operate at frequencies up to 120 MHz and features an adaptive real-time accelerator (ART Accelerator) for 0-wait-state execution from Flash memory.
The device is optimized for low-power applications, offering various power-saving modes such as Shutdown, Standby, and Stop modes, with ultra-low power consumption in VBAT mode and other low-power states. It also includes a comprehensive set of peripherals and interfaces, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 120 MHz |
| Memories | 2 Mbytes of Flash memory, 640 Kbytes of SRAM |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to +85 °C / +125 °C |
| 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 |
| Analog Peripherals | 12-bit ADC 5 Msps, 2x 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators |
| Communication Interfaces | USB OTG 2.0 full-speed, 2x SAIs, 4x I2C, 3x SPIs, 3x USARTs, CAN (2.0B Active), SDMMC |
| Package | LQFP 144 20x20x1.4 mm |
| Power Consumption | 305 nA in VBAT mode, 33 nA Shutdown mode, 125 nA Standby mode, 2.8 μA Stop 2 with RTC |
Key Features
- Ultra-low-power with FlexPowerControl
- Batch acquisition mode (BAM)
- Advanced graphics features: Chrom-ART Accelerator (DMA2D), Chrom-GRC (GFXMMU), MIPI® DSI Host controller
- 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, I2C, SPIs, USARTs, CAN, SDMMC
- Up to 24 capacitive sensing channels for touchkey, linear, and rotary touch sensors
- Internal voltage reference buffer, low-power RTC, and multiple timers
- Support for external memory: SRAM, PSRAM, NOR, NAND, and FRAM memories
- True random number generator, CRC calculation unit, and 96-bit unique ID
Applications
The STM32L4R5ZIT6 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 advanced graphics and communication interfaces
- IoT devices that need efficient power management and multiple peripherals
Q & A
- What is the core architecture of the STM32L4R5ZIT6?
The STM32L4R5ZIT6 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 STM32L4R5ZIT6?
The maximum operating frequency is up to 120 MHz.
- What are the power supply voltage ranges for the STM32L4R5ZIT6?
The device operates from 1.71 V to 3.6 V.
- What are the key analog peripherals available on the STM32L4R5ZIT6?
The device includes a 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, and 2x ultra-low-power comparators.
- What communication interfaces are supported by the STM32L4R5ZIT6?
The device supports USB OTG 2.0 full-speed, 2x SAIs, 4x I2C, 3x SPIs, 3x USARTs, CAN (2.0B Active), and SDMMC.
- What are the power-saving modes available on the STM32L4R5ZIT6?
The device offers Shutdown, Standby, and Stop modes, with ultra-low power consumption in VBAT mode and other low-power states.
- What is the temperature range for the STM32L4R5ZIT6?
The device operates in the -40 °C to +85 °C / +125 °C temperature range.
- How much Flash and SRAM memory does the STM32L4R5ZIT6 have?
The device has 2 Mbytes of Flash memory and 640 Kbytes of SRAM.
- What is the package type for the STM32L4R5ZIT6?
The device is available in an LQFP 144 20x20x1.4 mm package.
- Does the STM32L4R5ZIT6 support external memory interfaces?
Yes, it supports external memory interfaces for static memories such as SRAM, PSRAM, NOR, NAND, and FRAM.
