STMicroelectronics STM32F0 series, 32-bit ARM Cortex-M0 MCU, 48MHz, 16KB Flash, 4K x 8 RAM, 23 I/O, 28-UFQFN, -40 to 105°C.
| Parameter | Value |
|---|---|
| Series | STM32F0 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2V ~ 3.6V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 48MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 4K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | DMA, I²S, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART |
| Number of i (O) | 23 |
| Core processor | ARM® Cortex®-M0 |
| Case | 28-UFQFN |
| Data converters | A/D 13x12b |
| Program memory size | 16KB (16K x 8) |
48 MHz on a single-cycle Cortex-M0 core delivers about 48 DMIPS. The 4 KB RAM limits buffering, so this part is not suited for heavy data logging or TCP/IP stacks.
The 28-UFQFN package (4x4 mm) is a fine-pitch, leadless land-grid array — it requires a well-controlled reflow profile and X-ray inspection of solder joints.
The 13-channel 12-bit ADC handles analog inputs like temperature sensors or potentiometers without an external converter.
Within the STM32F0 series, the STM32F031G6U7TR offers 32 KB Flash in the same 28-UFQFN footprint, providing a firmware capacity upgrade without board changes. For higher performance, the STM32F042G4U7TR adds USB and CAN but keeps the same pinout.
The core runs at 48 MHz, delivering roughly 48 DMIPS on the Cortex-M0 pipeline — sufficient for real-time control loops and serial communication at standard baud rates.
It belongs to the STM32F0 series, ST's entry-level 32-bit ARM Cortex-M0 line optimised for cost-sensitive applications replacing 8-bit and 16-bit MCUs.