Overview
The STM32F051K8U6TR microcontroller, produced by STMicroelectronics, is a high-performance device based on the ARM® Cortex®-M0 32-bit RISC core. It operates at a frequency of up to 48 MHz and features high-speed embedded memories, including up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM. This microcontroller is designed to offer an extensive range of enhanced peripherals and I/Os, making it suitable for a variety of applications.
The device supports standard communication interfaces such as up to two I2Cs, up to two SPIs, one I2S, one HDMI CEC, and up to two USARTs. It also includes a 12-bit ADC, a 12-bit DAC, and multiple timers, including a 32-bit timer and an advanced-control PWM timer. The STM32F051K8U6TR operates within a temperature range of -40 to +85 °C and -40 to +105 °C, and it is powered by a 2.0 to 3.6 V supply.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 16 to 64 Kbytes of Flash memory, 8 Kbytes of SRAM with HW parity checking |
| CRC Calculation Unit | Yes |
| Reset and Power Management | Digital and I/O supply: VDD = 2.0 V to 3.6 V, Analog supply: VDDA = from VDD to 3.6 V, Power-on/Power down reset (POR/PDR), Programmable voltage detector (PVD), Low power modes: Sleep, Stop, Standby, VBAT supply for RTC and backup registers |
| Clock Management | 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC with calibration, Internal 8 MHz RC with x6 PLL option, Internal 40 kHz RC oscillator |
| I/Os | Up to 55 fast I/Os, all mappable on external interrupt vectors, up to 36 I/Os with 5 V tolerant capability |
| DMA Controller | 5-channel DMA controller |
| ADC | One 12-bit, 1.0 µs ADC (up to 16 channels), conversion range: 0 to 3.6 V |
| DAC | One 12-bit DAC channel |
| Timers | Up to 11 timers, including one 32-bit timer and one 16-bit 7-channel advanced-control timer for 6 channels PWM output |
| Communication Interfaces | Up to two I2Cs, up to two SPIs, one I2S, one HDMI CEC, and up to two USARTs |
| Operating Temperature | -40 to +85 °C and -40 to +105 °C |
| Power Supply | 2.0 to 3.6 V |
Key Features
- High-performance ARM® 32-bit Cortex®-M0 CPU, frequency up to 48 MHz
- High-speed embedded memories: up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM with HW parity checking
- CRC calculation unit
- Comprehensive reset and power management: POR/PDR, PVD, low power modes (Sleep, Stop, Standby), VBAT supply for RTC and backup registers
- Clock management: 4 to 32 MHz crystal oscillator, 32 kHz oscillator for RTC, internal 8 MHz RC with x6 PLL option, internal 40 kHz RC oscillator
- Up to 55 fast I/Os, all mappable on external interrupt vectors, up to 36 I/Os with 5 V tolerant capability
- 5-channel DMA controller
- One 12-bit, 1.0 µs ADC (up to 16 channels) and one 12-bit DAC channel
- Two fast low-power analog comparators with programmable input and output
- Up to 18 capacitive sensing channels supporting touchkey, linear and rotary touch sensors
- Up to 11 timers, including one 32-bit timer and one 16-bit 7-channel advanced-control timer for 6 channels PWM output
- Standard communication interfaces: up to two I2Cs, up to two SPIs, one I2S, one HDMI CEC, and up to two USARTs
- Serial wire debug (SWD) and 96-bit unique ID
Applications
The STM32F051K8U6TR microcontroller is versatile and can be used in a wide range of applications, including:
- Industrial automation and control systems
- Consumer electronics, such as home appliances and audio equipment
- Medical devices, requiring precise analog and digital capabilities
- Automotive systems, including infotainment and body control modules
- IoT devices, leveraging its low power modes and extensive peripheral set
- Smart home devices, such as thermostats and security systems
Q & A
- What is the core architecture of the STM32F051K8U6TR microcontroller?
The STM32F051K8U6TR microcontroller is based on the ARM® 32-bit Cortex®-M0 CPU.
- What is the maximum frequency at which the STM32F051K8U6TR operates?
The maximum frequency is up to 48 MHz.
- How much Flash memory and SRAM does the STM32F051K8U6TR have?
It has up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM.
- What are the power supply requirements for the STM32F051K8U6TR?
The device operates from a 2.0 to 3.6 V power supply.
- What are the key communication interfaces available on the STM32F051K8U6TR?
The device supports up to two I2Cs, up to two SPIs, one I2S, one HDMI CEC, and up to two USARTs.
- Does the STM32F051K8U6TR have any low power modes?
Yes, it has low power modes including Sleep, Stop, and Standby.
- What types of timers are available on the STM32F051K8U6TR?
The device includes up to 11 timers, including one 32-bit timer and one 16-bit 7-channel advanced-control timer for 6 channels PWM output.
- What is the operating temperature range of the STM32F051K8U6TR?
The operating temperature range is -40 to +85 °C and -40 to +105 °C.
- Does the STM32F051K8U6TR support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What debug interface is available on the STM32F051K8U6TR?
The device supports serial wire debug (SWD).
