Overview
The STM32F334K8U6TR is a high-performance microcontroller from STMicroelectronics, part of the STM32F334x4/6/8 family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at up to 72 MHz and featuring a floating-point unit (FPU). This microcontroller is designed for a wide range of applications, particularly those requiring advanced analog and digital capabilities.
The device includes high-speed embedded memories (up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM) and an extensive range of enhanced I/Os and peripherals connected to two APB buses. It operates within a temperature range of –40 to +85 °C and –40 to +105 °C, with a power supply range of 2.0 to 3.6 V. The comprehensive set of power-saving modes allows for the design of low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max) |
| Memories | Up to 64 Kbytes of Flash memory, up to 12 Kbytes of SRAM |
| ADCs | Two fast 12-bit ADCs (5 Msps), up to 21 channels |
| DACs | Three 12-bit DAC channels |
| Comparators | Up to three ultra-fast rail-to-rail analog comparators |
| Operational Amplifier | One operational amplifier that can be used in PGA mode |
| Timers | One 32-bit timer, seven 16-bit timers, and advanced motor control timers |
| Communication Interfaces | One I2C, one SPI, up to three USARTs, and one CAN (2.0B Active) |
| Package | UFQFPN 32 5x5x0.55 mm |
| Operating Temperature | –40 to +85 °C and –40 to +105 °C |
| Power Supply | 2.0 to 3.6 V |
| I/Os | Up to 51 fast I/O ports, several 5 V-tolerant |
Key Features
- High-performance Arm® Cortex®-M4 32-bit CPU with FPU (72 MHz max), single-cycle multiplication and HW division DSP instruction
- High-speed embedded memories: up to 64 Kbytes of Flash memory, up to 12 Kbytes of SRAM with HW parity check
- Low-power modes: Sleep, Stop, Standby
- Two fast 12-bit ADCs (5 Msps), up to 21 channels
- Three 12-bit DAC channels
- Up to three ultra-fast rail-to-rail analog comparators
- One operational amplifier that can be used in PGA mode
- Up to 18 capacitive sensing channels supporting touchkeys, linear and rotary touch sensors
- Advanced motor control timers and general-purpose timers
- Standard and advanced communication interfaces: I2C, SPI, USARTs, CAN (2.0B Active)
- Comprehensive set of power-saving modes
- ECOPACK2 compliant packages
Applications
The STM32F334K8U6TR microcontroller is suitable for a variety of applications due to its advanced analog and digital capabilities. Some of the key application areas include:
- Industrial automation and control systems
- Medical devices requiring precise analog measurements
- Automotive systems, especially those needing advanced motor control
- Consumer electronics with touch sensing capabilities
- IoT devices requiring low power consumption and advanced communication interfaces
Q & A
- What is the core architecture of the STM32F334K8U6TR microcontroller?
The STM32F334K8U6TR is based on the Arm® Cortex®-M4 32-bit RISC core with a floating-point unit (FPU), operating at up to 72 MHz.
- What are the memory specifications of the STM32F334K8U6TR?
The device includes up to 64 Kbytes of Flash memory and up to 12 Kbytes of SRAM.
- What are the key analog peripherals of the STM32F334K8U6TR?
The device features two fast 12-bit ADCs, three 12-bit DAC channels, up to three ultra-fast comparators, and one operational amplifier.
- What communication interfaces are available on the STM32F334K8U6TR?
The microcontroller includes one I2C, one SPI, up to three USARTs, and one CAN (2.0B Active) interface.
- What are the operating temperature and power supply ranges of the STM32F334K8U6TR?
The device operates in the –40 to +85 °C and –40 to +105 °C temperature ranges from 2.0 to 3.6 V power supply.
- What are the power-saving modes available on the STM32F334K8U6TR?
The microcontroller features low-power modes including Sleep, Stop, and Standby.
- What is the package type of the STM32F334K8U6TR?
The device is available in a UFQFPN 32 5x5x0.55 mm package.
- Is the STM32F334K8U6TR RoHS compliant?
- What are some of the typical applications for the STM32F334K8U6TR?
The microcontroller is suitable for industrial automation, medical devices, automotive systems, consumer electronics, and IoT devices.
- Does the STM32F334K8U6TR support touch sensing?
- What is the unique identifier feature of the STM32F334K8U6TR?
The microcontroller includes a 96-bit unique ID.
