Overview
The STM32F051C4U6 is a microcontroller from STMicroelectronics, 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 16 Kbytes of Flash memory and 8 Kbytes of SRAM, along with an extensive range of enhanced peripherals and I/Os. The device is designed to operate in a wide temperature range of -40 to +85 °C and is powered by a 2.0 to 3.6 V supply. It also includes various power-saving modes, making it suitable for low-power applications.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 16 Kbytes of Flash memory, 8 Kbytes of SRAM with HW parity checking |
| 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 |
| Power Supply | Digital and I/O supply: VDD = 2.0 V to 3.6 V, Analog supply: VDDA = from VDD to 3.6 V |
| Timers | Up to 11 timers including 16-bit and 32-bit timers, advanced-control timer for PWM output |
| ADC/DAC | One 12-bit ADC (up to 16 channels), one 12-bit DAC channel |
| Communication Interfaces | Up to two I2C, up to two SPIs, one I2S, up to two USARTs, HDMI CEC interface |
| I/Os | Up to 55 fast I/Os, up to 36 I/Os with 5 V tolerant capability |
| Package | UFQFPN 48 7x7x0.55 mm |
| Operating Temperature | -40 to +85 °C |
Key Features
- High-performance ARM® 32-bit Cortex®-M0 CPU
- High-speed embedded memories: up to 16 Kbytes of Flash memory and 8 Kbytes of SRAM
- Extensive range of enhanced peripherals and I/Os
- Low power modes: Sleep, Stop, Standby
- Power-on/Power down reset (POR/PDR) and programmable voltage detector (PVD)
- Up to 55 fast I/Os and up to 36 I/Os with 5 V tolerant capability
- Advanced-control PWM timer and multiple 16-bit and 32-bit timers
- 12-bit ADC and 12-bit DAC channels
- Capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
- Calendar RTC with alarm and periodic wakeup from Stop/Standby
Applications
The STM32F051C4U6 microcontroller is suitable for a wide range of applications, including:
- Application control and user interfaces
- Hand-held equipment
- A/V receivers and digital TV
- PC peripherals
- Gaming and GPS platforms
- Industrial applications, PLCs, inverters, printers, scanners
- Alarm systems, video intercoms, and HVACs
Q & A
- What is the core of the STM32F051C4U6 microcontroller?
The core is the ARM® 32-bit Cortex®-M0 CPU. - What is the maximum frequency of the STM32F051C4U6?
The maximum frequency is up to 48 MHz. - How much Flash and SRAM memory does the STM32F051C4U6 have?
The STM32F051C4U6 has up to 16 Kbytes of Flash memory and 8 Kbytes of SRAM. - What are the power supply requirements for the STM32F051C4U6?
The power supply requirements are 2.0 to 3.6 V for digital and I/O supply and from VDD to 3.6 V for analog supply. - What communication interfaces are available on the STM32F051C4U6?
The available interfaces include up to two I2C, up to two SPIs, one I2S, up to two USARTs, and an HDMI CEC interface. - What are the operating temperature ranges for the STM32F051C4U6?
The operating temperature ranges are -40 to +85 °C. - Does the STM32F051C4U6 support low power modes?
Yes, it supports low power modes such as Sleep, Stop, and Standby. - What types of timers are available on the STM32F051C4U6?
The microcontroller includes up to 11 timers, including 16-bit and 32-bit timers, and an advanced-control timer for PWM output. - Does the STM32F051C4U6 have capacitive sensing capabilities?
Yes, it supports up to 18 capacitive sensing channels for touchkey, linear, and rotary touch sensors. - What is the package type for the STM32F051C4U6?
The package type is UFQFPN 48 7x7x0.55 mm.
