Overview
The STM32F051R8T7TR 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, 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 (or -40 to +105 °C for some packages) and is powered by a 2.0 to 3.6 V supply. It includes various power-saving modes, making it suitable for low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M0 CPU, up to 48 MHz |
| Memories | 16 to 64 Kbytes of Flash memory, 8 Kbytes of SRAM |
| Supply Voltage | 2.0 to 3.6 V |
| Operating Temperature | -40 to +85 °C (or -40 to +105 °C for some packages) |
| ADC | One 12-bit, 1.0 μs ADC (up to 16 channels) |
| DAC | One 12-bit DAC channel |
| Timers | Up to 11 timers, including one 32-bit and several 16-bit timers |
| Communication Interfaces | Up to two I2Cs, up to two SPIs, one I2S, one HDMI CEC, and up to two USARTs |
| I/Os | Up to 55 fast I/Os, up to 36 I/Os with 5 V tolerant capability |
| Package | LQFP 64 10x10x1.4 mm, UFBGA 64 5x5x0.6 P 0.5 mm |
Key Features
- High-performance ARM® 32-bit Cortex®-M0 CPU with up to 48 MHz frequency
- High-speed embedded memories: up to 64 Kbytes of Flash memory and 8 Kbytes of SRAM
- Extensive range of enhanced peripherals and I/Os
- Standard communication interfaces: I2C, SPI, I2S, HDMI CEC, USART
- One 12-bit ADC and one 12-bit DAC
- Multiple timers: one 32-bit and several 16-bit timers
- Low power modes: Sleep, Stop, Standby
- Up to 55 fast I/Os and up to 36 I/Os with 5 V tolerant capability
- Capacitive sensing channels supporting touchkey, linear, and rotary touch sensors
- Advanced-control PWM timer with deadtime generation and emergency stop
Applications
- 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 STM32F051R8T7TR microcontroller?
The core is an ARM® 32-bit Cortex®-M0 CPU, operating at frequencies up to 48 MHz.
- How much Flash and SRAM memory does the STM32F051R8T7TR have?
The device has 16 to 64 Kbytes of Flash memory and 8 Kbytes of SRAM.
- What is the operating temperature range of the STM32F051R8T7TR?
The operating temperature range is -40 to +85 °C (or -40 to +105 °C for some packages).
- What types of communication interfaces are available on the STM32F051R8T7TR?
The device includes up to two I2Cs, up to two SPIs, one I2S, one HDMI CEC, and up to two USARTs.
- How many timers does the STM32F051R8T7TR have?
The device has up to 11 timers, including one 32-bit and several 16-bit timers.
- What are the power-saving modes available on the STM32F051R8T7TR?
The device includes Sleep, Stop, and Standby low power modes.
- How many I/Os does the STM32F051R8T7TR have?
The device has up to 55 fast I/Os and up to 36 I/Os with 5 V tolerant capability.
- What types of applications is the STM32F051R8T7TR suitable for?
The device is suitable for a wide range of applications including application control, hand-held equipment, A/V receivers, industrial applications, and more.
- What is the package type of the STM32F051R8T7TR?
The device is available in LQFP 64 10x10x1.4 mm and UFBGA 64 5x5x0.6 P 0.5 mm packages.
- Does the STM32F051R8T7TR support capacitive sensing?
Yes, it supports up to 18 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What is the purpose of the CRC calculation unit in the STM32F051R8T7TR?
The CRC calculation unit is used to generate a CRC code from a 32-bit data word and a CRC-32 (Ethernet) polynomial, useful for verifying data transmission or storage.
