Overview
The STM32L433CCU6 is an ultra-low-power microcontroller from STMicroelectronics, based on the high-performance Arm® Cortex®-M4 32-bit RISC core. This device operates at a frequency of up to 80 MHz and features a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types. It also includes a full set of DSP instructions and a memory protection unit (MPU) to enhance application security.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Operating Frequency | Up to 80 MHz |
| Flash Memory | Up to 256 KB |
| SRAM | 64 KB |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| ADC | 1x 12-bit, 5 Msps |
| DAC | 2x 12-bit output channels |
| Timers | 1x 32-bit, 5x 16-bit |
| Communication Interfaces | 3x I2C, 3x SPI, 3x USART, 1x LPUART, 1x CAN, 1x USB FS |
| Package | 48-UFQFPN (7x7 mm) |
Key Features
- Ultra-low-power with FlexPowerControl
- Batch acquisition mode (BAM) and fast 4 µs wakeup from Stop mode
- Brown out reset (BOR) and interconnect matrix
- RTC with HW calendar, alarms, and calibration
- LCD 8x40 or 4x44 with internal step-up converter
- Up to 21 capacitive sensing channels
- Integrated op-amps and ultra-low-power comparators
- True random number generator and CRC calculation unit
- Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
Applications
The STM32L433CCU6 is suitable for a wide range of applications requiring low power consumption and high performance, such as:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Consumer electronics and appliances
- Automotive systems and telematics
- IoT and smart home devices
Q & A
- What is the core architecture of the STM32L433CCU6?
The STM32L433CCU6 is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU). - What is the maximum operating frequency of the STM32L433CCU6?
The maximum operating frequency is up to 80 MHz. - How much flash memory and SRAM does the STM32L433CCU6 have?
The device has up to 256 KB of flash memory and 64 KB of SRAM. - What is the power supply range for the STM32L433CCU6?
The power supply range is from 1.71 V to 3.6 V. - What are the temperature ranges for the STM32L433CCU6?
The temperature ranges are -40 °C to 85/105/125 °C. - Does the STM32L433CCU6 support capacitive sensing?
Yes, it supports up to 21 capacitive sensing channels. - What communication interfaces are available on the STM32L433CCU6?
The device includes 3x I2C, 3x SPI, 3x USART, 1x LPUART, 1x CAN, and 1x USB FS. - What is the package type for the STM32L433CCU6?
The package type is 48-UFQFPN (7x7 mm). - Does the STM32L433CCU6 have any power-saving modes?
Yes, it includes several power-saving modes such as Shutdown, Standby, and Stop modes. - Is the STM32L433CCU6 suitable for low-power applications?
Yes, it is designed for ultra-low-power applications with features like FlexPowerControl and various low-power modes.
