Overview
The STM32L433CCY6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. 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) that supports 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 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 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 |
| Package | WLCSP 49 3.2x3.2x0.6 P 0.4 mm |
| Power Modes | Shutdown, Standby, Stop 2, VBAT mode |
Key Features
- Ultra-low-power with FlexPowerControl
- Arm® 32-bit Cortex®-M4 CPU with FPU and DSP instructions
- Up to 256 KB flash memory and 64 KB SRAM
- Quad SPI flash memory interface
- Fast 12-bit ADC (5 Msps) and 2x 12-bit DAC output channels
- Operational amplifier with built-in PGA and 2x ultra-low-power comparators
- Integrated LCD driver (8x40 or 4x44) with internal step-up converter
- Up to 21 capacitive sensing channels
- Multiple communication interfaces including USB, CAN, SPI, I2C, and USART
- Low-power RTC with HW calendar, alarms, and calibration
- Various power-saving modes: Shutdown, Standby, Stop 2, VBAT mode
- Development support: SWD, JTAG, Embedded Trace Macrocell™
Applications
- 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 low power and high performance
- IOT devices and sensor networks
- Energy metering and smart grid applications
Q & A
- What is the core architecture of the STM32L433CCY6TR?
The STM32L433CCY6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU) and DSP instructions.
- What are the memory specifications of the STM32L433CCY6TR?
The device features up to 256 KB of flash memory and 64 KB of SRAM.
- What is the operating temperature range of the STM32L433CCY6TR?
The operating temperature range is -40 °C to +85 °C / +105 °C / +125 °C.
- What types of communication interfaces are available on the STM32L433CCY6TR?
The device includes interfaces such as USB, CAN, SPI, I2C, USART, and Low-Power UART.
- Does the STM32L433CCY6TR support capacitive sensing?
Yes, it supports up to 21 capacitive sensing channels.
- What are the power-saving modes available on the STM32L433CCY6TR?
The device offers various power-saving modes including Shutdown, Standby, Stop 2, and VBAT mode.
- Is the STM32L433CCY6TR suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems due to its low power consumption and high performance.
- Does the STM32L433CCY6TR have an integrated LCD driver?
Yes, it includes an integrated LCD driver (8x40 or 4x44) with an internal step-up converter.
- What is the package type of the STM32L433CCY6TR?
The package type is WLCSP 49 3.2x3.2x0.6 P 0.4 mm.
- Does the STM32L433CCY6TR support real-time clock (RTC) functionality?
Yes, it includes a low-power RTC with HW calendar, alarms, and calibration.
- What development tools are supported by the STM32L433CCY6TR?
The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
