Overview
The STM32L431CCT6 is a 32-bit microcontroller from STMicroelectronics, part of the STM32L4 series. It is designed for ultra-low-power applications and features the high-performance Arm Cortex-M4 core with a Floating Point Unit (FPU) and a full set of DSP instructions. This microcontroller is ideal for applications requiring low power consumption, high performance, and advanced peripherals.
Key Specifications
| Attribute | Specification |
|---|---|
| Family Name | STM32L |
| Core Processor | ARM Cortex M4 |
| Program Memory Type | Flash |
| Flash Size | 256 kB |
| RAM Size | 64 kB |
| Speed | Up to 80 MHz |
| No of I/O Lines | 38 |
| Number Of Timers | 11 (including 1x 32-bit and 5x 16-bit timers) |
| Supply Voltage | 1.71 V to 3.6 V |
| Operating Temperature | -40°C to +85°C |
| On-Chip ADC | 10-ch x 12-bit |
| On-Chip DAC | 2-ch x 12-bit |
| Watchdog Timers | 2 |
| Package Style | LQFP-48 |
| Mounting Method | Surface Mount |
Key Features
- Ultra-Low Power Consumption: The STM32L431CCT6 supports dynamic voltage scaling and multiple power-saving modes, including low-power run and sleep modes, to optimize power consumption.
- Advanced Peripherals: Features include a fast 12-bit ADC, two comparators, one operational amplifier, two DAC channels, an internal voltage reference buffer, and a low-power RTC.
- Communication Interfaces: Includes three I2Cs, three SPIs, three USARTs, one Low-Power UART, and one SAI (Serial Audio Interface).
- Timers and Counters: One 32-bit timer, one 16-bit PWM timer for motor control, and four general-purpose 16-bit timers, along with two 16-bit low-power timers.
- Capacitive Sensing: Up to 21 capacitive sensing channels are available.
- Memory Protection Unit (MPU): Enhances application security with readout protection, write protection, and proprietary code readout protection.
- Independent Power Supplies: Supports independent power supplies for ADC, DAC, OPAMP, and comparators, along with a VBAT input for RTC and backup registers.
Applications
- Industrial Automation: Suitable for control systems, motor control, and sensor interfaces.
- Medical Devices: Ideal for low-power medical devices requiring advanced peripherals and communication interfaces.
- Consumer Electronics: Used in smart home devices, wearables, and other consumer electronics that require low power consumption and high performance.
- Automotive Systems: Can be used in automotive applications such as dashboard controls, sensor systems, and infotainment systems.
- IoT Devices: Suitable for Internet of Things (IoT) devices that require low power consumption and advanced communication capabilities.
Q & A
- What is the core processor of the STM32L431CCT6?
The core processor is the ARM Cortex-M4 with a Floating Point Unit (FPU).
- What is the maximum clock speed of the STM32L431CCT6?
The maximum clock speed is up to 80 MHz.
- How much flash and RAM memory does the STM32L431CCT6 have?
The STM32L431CCT6 has 256 kB of flash memory and 64 kB of RAM.
- What are the operating temperature ranges for the STM32L431CCT6?
The operating temperature ranges are -40°C to +85°C.
- Does the STM32L431CCT6 support power-saving modes?
Yes, it supports multiple power-saving modes, including low-power run and sleep modes.
- What communication interfaces are available on the STM32L431CCT6?
The microcontroller features three I2Cs, three SPIs, three USARTs, one Low-Power UART, and one SAI (Serial Audio Interface).
- How many timers does the STM32L431CCT6 have?
The STM32L431CCT6 has a total of 11 timers, including one 32-bit timer and five 16-bit timers.
- Does the STM32L431CCT6 have capacitive sensing capabilities?
Yes, it supports up to 21 capacitive sensing channels.
- What is the package style and mounting method of the STM32L431CCT6?
The package style is LQFP-48, and the mounting method is surface mount.
- What are some typical applications for the STM32L431CCT6?
Typical applications include industrial automation, medical devices, consumer electronics, automotive systems, and IoT devices.
