Overview
The STM32L433RCT6P 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, 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 various power-saving modes and a wide range of peripherals and interfaces. It is suitable for applications requiring high performance, low power consumption, and advanced features such as capacitive sensing, LCD driving, and multiple communication interfaces.
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 V to 1.32 V (external SMPS) |
| Temperature Range | -40 °C to +85 °C / +105 °C / +125 °C |
| ADC | 1x 12-bit ADC, 5 Msps |
| DAC | 2x 12-bit DAC output channels |
| Timers | 1x 32-bit, 5x 16-bit timers |
| Communication Interfaces | 3x I2C, 3x SPI, 3x USART, 1x Low-Power UART, 1x SAI, 1x SDMMC, 1x CAN, 1x USB full-speed device |
| Package | LQFP 64 10x10x1.4 mm |
| Power Modes | VBAT mode: 200 nA, Shutdown mode: 8 nA, Standby mode: 28 nA, Stop 2 mode: 1.0 µA |
Key Features
- Ultra-low-power with FlexPowerControl
- High-speed memories: up to 256 KB flash, 64 KB SRAM
- Quad SPI flash memories interface
- Extensive range of enhanced I/Os and peripherals
- Advanced 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
- Low-power RTC, general-purpose timers, and low-power timers
- Independent power supplies for analog and digital components
- True random number generator, CRC calculation unit, and 96-bit unique ID
- Development support: SWD, JTAG, Embedded Trace Macrocell™
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics with advanced user interfaces
- IoT devices and smart home applications
- Automotive systems, especially those requiring low power and high performance
- Wearable devices and portable electronics
Q & A
- What is the core architecture of the STM32L433RCT6P?
The STM32L433RCT6P 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 STM32L433RCT6P?
The device has up to 256 KB of flash memory and 64 KB of SRAM.
- What is the power supply range for the STM32L433RCT6P?
The device operates from a 1.71 V to 3.6 V power supply using the internal LDO regulator, and from 1.05 V to 1.32 V using an external SMPS supply.
- What are the temperature ranges supported by the STM32L433RCT6P?
The device operates in the -40 °C to +85 °C / +105 °C / +125 °C temperature ranges.
- What analog peripherals are available on the STM32L433RCT6P?
The device includes a 12-bit ADC, two 12-bit DAC channels, an operational amplifier, and two ultra-low-power comparators.
- What communication interfaces does the STM32L433RCT6P support?
The device supports multiple communication interfaces including I2C, SPI, USART, Low-Power UART, SAI, SDMMC, CAN, and USB full-speed device.
- What is the package type for the STM32L433RCT6P?
The device is available in an LQFP 64 10x10x1.4 mm package.
- What are the power modes available on the STM32L433RCT6P?
The device offers several power modes including VBAT mode (200 nA), Shutdown mode (8 nA), Standby mode (28 nA), and Stop 2 mode (1.0 µA).
- Does the STM32L433RCT6P support capacitive sensing?
Yes, the device supports up to 21 capacitive sensing channels.
- What development tools are supported by the STM32L433RCT6P?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™ for development.
- Is the STM32L433RCT6P RoHS compliant?
Yes, the device is RoHS compliant and meets the ECOPACK2 standards.
