The STMicroelectronics STM32F051C8T7 is a general-purpose 32-bit microcontroller based on the Arm Cortex-M0 core, operating at up to 48MHz. It integrates 64KB of Flash memory and 8KB of SRAM and is designed for embedded control applications including industrial systems, appliances, user interfaces, PLCs, inverters, printers, alarm systems, and other general-purpose electronics. ST currently lists the STM32F051C8 family and STM32F051C8T7 as Active / in volume production.
The device operates from a 2.0V to 3.6V supply and includes internal 8MHz and 40kHz RC oscillators, support for a 4MHz to 32MHz external crystal, and a 32kHz RTC oscillator. Sleep, Stop, and Standby modes are available for low-power operation.
Analog peripherals include a 12-bit ADC, one 12-bit DAC, and two analog comparators. The 48-pin STM32F051Cx version provides 39 GPIOs and up to 17 capacitive-sensing channels, together with a 5-channel DMA controller.
Communication peripherals include two I²C interfaces, two SPI interfaces, one I²S interface, two USARTs, and HDMI CEC. One I²C supports Fast Mode Plus up to 1Mbit/s, while SPI operation supports speeds up to approximately 18Mbit/s. Multiple 16-bit timers, one 32-bit general-purpose timer, and an advanced-control PWM timer are also integrated.
For the exact STM32F051C8T7 order code, “C” identifies the 48-pin version, “8” specifies 64KB Flash, “T” denotes the LQFP package, and “7” identifies the -40°C to +105°C ambient temperature grade. Because there is no “TR” suffix, the ordering scheme specifies tray packaging. The LQFP48 package measures 7 × 7mm.
Key Features:
- Manufacturer: STMicroelectronics
- Part Number: STM32F051C8T7
- Family: STM32F051
- Architecture: 32-bit MCU
- CPU Core: Arm Cortex-M0
- Maximum CPU Frequency: 48MHz
- Flash Memory: 64KB
- SRAM: 8KB with Hardware Parity
- Supply Voltage: 2.0V to 3.6V
- ADC: 1 × 12-bit
- ADC Conversion Time: Down to Approx. 1µs
- DAC: 1 × 12-bit
- Analog Comparators: 2
- GPIOs: 39
- Capacitive-Sensing Channels: Up to 17
- DMA: 5 Channels
- I²C: 2
- SPI: 2
- I²S: 1
- USART: 2
- HDMI CEC: 1
- 32-bit Timer: 1
- Multiple 16-bit Timers
- Advanced-Control PWM Timer
- RTC: Yes
- CRC Unit: Yes
- Serial Wire Debug: Yes
- Unique Device ID: 96-bit
- Ambient Operating Temperature: -40°C to +105°C
- Package: LQFP48
- Package Size: 7 × 7mm
- Packaging: Tray
- ECOPACK2
- Product Status: Active / Volume Production.
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