STMicroelectronics STM32L0 series, ARM Cortex-M0+ 32-Bit Single-Core MCU, 32 MHz, 32KB Flash, 8K x 8 RAM, 1K x 8 EEPROM, 28-UFQFPN (4x4 mm), -40°C to 85°C, 1.65V to 3.6V supply, 23 I/O, A/D 10x12b, I²C/SPI/UART.
| Parameter | Value |
|---|---|
| Series | STM32L0 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.65V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 32MHz |
| Package | Tray |
| RAM size | 8K x 8 |
| Core size | 32-Bit Single-Core |
| EEPROM size | 1K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, 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 10x12b |
| Program memory size | 32KB (32K x 8) |
The 28-UFQFPN package measures 4x4 mm, saving board area in space-constrained designs like wearable or handheld devices.
The 10-channel 12-bit ADC covers analog inputs like battery monitoring or analog sensor readout.
The core is an ARM Cortex-M0+ 32-bit single-core processor running at up to 32 MHz.
The 'S' suffix in the STM32L031G6U6S order code indicates a specific factory-programmed variant or revision within the STM32L031G6U6 base part. The exact difference is defined in the STM32L0 reference manual and datasheet — typically it may denote a stepping or a custom option.