Overview
The STM32L433RCY6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L433xx family. It is based on the high-performance Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of up to 80 MHz. This microcontroller features a Floating Point Unit (FPU) single precision, supporting all Arm® single-precision data-processing instructions and data types, along with a full set of DSP instructions and a Memory Protection Unit (MPU) for enhanced application security.
The device is designed for low-power applications, offering a wide range of power-saving modes and a comprehensive set of peripherals and interfaces. It is suitable for various applications requiring high performance and low energy consumption.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz |
| Memory | Up to 256 KB flash, 64 KB SRAM |
| 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 / +125 °C |
| Package | WLCSP 64 3.2x3.2x0.6 P 0.35 mm |
| ADC | 1x 12-bit ADC, 5 Msps |
| DAC | 2x 12-bit DAC output channels |
| Timers | 1x 32-bit, 5x 16-bit general purpose, 2x 16-bit low-power timers |
| Communication Interfaces | 3x I2C, 3x SPI, 3x USART, 1x Low-Power UART, 1x SAI, 1x SDMMC, 1x CAN, 1x USB full-speed device |
| Power Modes | Shutdown, Standby, Stop 2 mode, VBAT mode |
Key Features
- Ultra-low-power with FlexPowerControl
- High-speed memories: up to 256 KB flash, 64 KB SRAM
- Quad SPI flash memories interface
- Rich analog peripherals: 12-bit ADC, 12-bit DAC, operational amplifier, comparators
- Extensive range of communication interfaces: I2C, SPI, USART, USB, CAN, SDMMC
- Integrated LCD driver 8x40 or 4x44 with internal step-up converter
- Up to 21 capacitive sensing channels
- Multiple power-saving modes: Shutdown, Standby, Stop 2 mode, VBAT mode
- Support for independent power supplies for analog and digital components
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32L433RCY6TR is versatile and can be used in a variety of applications requiring low power consumption and high performance. Some typical applications include:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and appliances
- Automotive systems and telematics
- IoT and smart home devices
- Wearable technology and fitness trackers
Q & A
- What is the core architecture of the STM32L433RCY6TR?
The STM32L433RCY6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU), operating at up to 80 MHz.
- What are the memory specifications of the STM32L433RCY6TR?
The device features up to 256 KB of flash memory and 64 KB of SRAM.
- What is the power supply range for the STM32L433RCY6TR?
The device operates from a power supply of 1.71 V to 3.6 V using the internal LDO regulator, and 1.05 to 1.32 V using an external SMPS supply.
- What are the temperature ranges supported by the STM32L433RCY6TR?
The device operates in the temperature range of -40 °C to +85 °C / +105 °C / +125 °C.
- What types of communication interfaces are available on the STM32L433RCY6TR?
The device includes interfaces such as I2C, SPI, USART, Low-Power UART, SAI, SDMMC, CAN, and USB full-speed device.
- Does the STM32L433RCY6TR support capacitive sensing?
Yes, the device supports up to 21 capacitive sensing channels.
- What are the power-saving modes available on the STM32L433RCY6TR?
The device features multiple power-saving modes including Shutdown, Standby, Stop 2 mode, and VBAT mode.
- Is the STM32L433RCY6TR suitable for industrial applications?
Yes, the device is suitable for industrial automation and control systems due to its robust features and low power consumption.
- Does the STM32L433RCY6TR have an integrated LCD driver?
Yes, the device includes an integrated LCD driver 8x40 or 4x44 with an internal step-up converter.
- What development tools are supported by the STM32L433RCY6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development.
- Is the STM32L433RCY6TR RoHS compliant?
Yes, the device is RoHS compliant and follows the ECOPACK2 standards.
