Description
The STM32F334K8T6 is a highly integrated 32-bit microcontroller from the STM32 F3 series, powered by the high-performance ARM® Cortex®-M4 core with a Floating Point Unit (FPU). Designed for precision control and demanding signal processing, this MCU features a dedicated high-resolution timer architecture, making it an ideal choice for advanced power conversion, digital motor control, and lighting applications. With 64KB of Flash memory, 16KB of SRAM, and a specialized 4KB CCM (Core Coupled Memory) for critical instruction and data tasks, it delivers consistent, real-time performance.
This microcontroller excels in mixed-signal environments, offering a sophisticated analog front-end that includes triple 12-bit DACs, dual 12-bit ADCs (10 channels), an operational amplifier, and three ultra-fast rail-to-rail analog comparators. Its connectivity suite includes CAN (2.0B), I2C with Fast Mode Plus support, SPI, and USARTs. Additionally, the device features hardware support for up to 18 capacitive sensing channels, enabling the design of sophisticated touch-sensitive user interfaces. Housed in a compact 32-pin LQFP package, the STM32F334K8T6 provides the robust processing, analog precision, and connectivity required for professional-grade embedded systems.
Key Features
- ARM® Cortex®-M4 Core: 32-bit CPU with FPU, operating at up to 72MHz for high-speed computation.
- High-Resolution Timing: Specialized timer architecture designed for high-precision pulse width modulation and digital power control.
- Precision Analog Integration: 2x 12-bit ADCs (10 channels), 3x 12-bit DACs, 1x Op-Amp, and 3x ultra-fast rail-to-rail comparators.
- Advanced Touch Sensing: Integrated hardware support for up to 18 capacitive touch keys, linear, and rotary sensors.
- Connectivity: CAN interface, SPI, I2C (Fast Mode Plus), and 3x USARTs (including ISO/IEC 7816 and LIN support).
- Memory & Safety: 64KB Flash, 16KB RAM, and a 4KB CCM (Core Coupled Memory) with hardware parity check for critical task reliability.
- Flexible I/O: 25 fast, 5V-tolerant I/O ports, all mappable on external interrupt vectors.
Applications
- Digital Power Conversion: High-resolution PWM control for SMPS, inverters, and battery chargers.
- Motor Control: Precision speed and torque control for various industrial motor types.
- Smart Sensing: Industrial and consumer devices requiring multi-channel capacitive touch interfaces.
- Industrial Automation: Robust control for PLCs, communication-heavy sensor nodes, and instrumentation.
Package Includes
- 1 x STM32F334K8T6 ARM Cortex-M4 32-Bit Microcontroller (LQFP-32)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device Model | STM32F334K8T6 |
| Core Architecture | ARM Cortex-M4 |
| Operating Frequency | 72 MHz |
| Memory (Flash/RAM) | 64 KB Flash / 16 KB RAM |
| Supply Voltage | 2V to 3.6V |
| Operating Temp | –40°C to +85°C |
| No. of I/Os | 25 I/Os |
| Package/Case | LQFP-32 |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete register maps, high-resolution timer documentation, electrical characteristics, and application circuit schematics, please refer to the official STMicroelectronics STM32F3 Series documentation.
