Overview
The STM32F051K4U6TR microcontroller, produced by STMicroelectronics, is part of the STM32F051xx family. It incorporates the high-performance ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz. This microcontroller features high-speed embedded memories, including up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM with hardware parity checking. The device is equipped with an extensive range of enhanced peripherals and I/Os, making it suitable for a wide range of applications.
The STM32F051K4U6TR operates within a temperature range of -40 to +85 °C and can be powered from a 2.0 to 3.6 V supply. It includes various power-saving modes such as Sleep, Stop, and Standby, enabling the design of low-power applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Flash Memory | 16 to 64 Kbytes |
| SRAM | 8 Kbytes with HW parity checking |
| Operating Temperature | -40 to +85 °C |
| Power Supply | 2.0 to 3.6 V |
| ADC | 1 x 12-bit, 1.0 µs, up to 16 channels |
| DAC | 1 x 12-bit |
| Timers | 7 x 16-bit, 1 x 32-bit |
| Communication Interfaces | Up to 2 x I2C, up to 2 x SPI, 1 x I2S, 1 x HDMI CEC, up to 2 x USART |
| I/Os | Up to 55 fast I/Os, 27 high current I/Os |
| Comparators | 2 fast low-power analog comparators |
| Capacitive Sensing Channels | Up to 18 channels |
| Low Power Modes | Sleep, Stop, Standby |
Key Features
- High-Performance Core: ARM® 32-bit Cortex®-M0 CPU with a frequency up to 48 MHz.
- Memories: Up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM with hardware parity checking.
- Peripherals and I/Os: Extensive range of enhanced peripherals and I/Os, including up to 55 fast I/Os and 27 high current I/Os.
- Communication Interfaces: Up to two I2Cs, two SPIs, one I2S, one HDMI CEC, and up to two USARTs.
- Analog Features: One 12-bit ADC, one 12-bit DAC, and two fast low-power analog comparators.
- Timers: Seven 16-bit timers and one 32-bit timer, including advanced-control timers with PWM output and deadtime generation.
- Capacitive Sensing: Up to 18 capacitive sensing channels supporting touchkey, linear, and rotary touch sensors.
- Power Management: Low power modes including Sleep, Stop, and Standby, with comprehensive power-saving features.
- DMA Controller: 5-channel DMA controller for memory-to-memory, peripheral-to-memory, and memory-to-peripheral transfers.
Applications
- Application Control and User Interfaces: Suitable for various control and interface applications.
- Hand-held Equipment: Ideal for portable devices requiring low power consumption.
- A/V Receivers and Digital TV: Used in audio-visual equipment and digital television systems.
- PC Peripherals: Applicable in computer peripherals such as gaming and GPS platforms.
- Industrial Applications: Suitable for industrial control systems, PLCs, inverters, and printers.
- Alarm Systems and Video Intercoms: Used in security and communication systems.
- HVAC Systems: Applied in heating, ventilation, and air conditioning systems.
Q & A
- What is the core of the STM32F051K4U6TR microcontroller?
The core is the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum frequency of the STM32F051K4U6TR?
The maximum frequency is up to 48 MHz.
- How much Flash memory does the STM32F051K4U6TR have?
The device has up to 64 Kbytes of Flash memory.
- What are the operating temperature ranges for the STM32F051K4U6TR?
The operating temperature ranges are -40 to +85 °C.
- What power-saving modes are available on the STM32F051K4U6TR?
The device supports Sleep, Stop, and Standby modes.
- How many communication interfaces does the STM32F051K4U6TR have?
The device includes up to two I2Cs, two SPIs, one I2S, one HDMI CEC, and up to two USARTs.
- What analog features are included in the STM32F051K4U6TR?
The device features one 12-bit ADC, one 12-bit DAC, and two fast low-power analog comparators.
- How many timers are available on the STM32F051K4U6TR?
The device includes seven 16-bit timers and one 32-bit timer.
- What is the purpose of the DMA controller in the STM32F051K4U6TR?
The 5-channel DMA controller manages memory-to-memory, peripheral-to-memory, and memory-to-peripheral transfers.
- In what types of applications is the STM32F051K4U6TR commonly used?
The device is used in various applications including application control, hand-held equipment, A/V receivers, PC peripherals, industrial applications, and more.
