STMicroelectronics STM32L0 series, ARM® Cortex®-M0+ 32-Bit MCU, 32 MHz, 32KB Flash, 8K x 8 RAM, 2K x 8 EEPROM, 48-LQFP, -40°C~85°C, 1.65V~3.6V supply.
| 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 | 2K x 8 |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | I²C, IrDA, SPI, UART/USART |
| Number of i (O) | 37 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 48-LQFP |
| Data converters | A/D 10x12b |
| Program memory size | 32KB (32K x 8) |
Typical applications include battery-powered sensors, IoT edge nodes, portable medical devices, and industrial control panels where every microamp counts. The 48-LQFP package with 37 I/O gives enough GPIO for a keypad, a small display, and a few serial peripherals without needing a port expander.
The 10-channel 12-bit ADC handles analog inputs like thermistors or potentiometers without an external converter.
The STM32L051C8T6 is pin-compatible and offers 64 KB Flash instead of 32 KB, in the same 48-LQFP package with the same supply range and peripherals. It is a drop-in alternative if the firmware requires more code space.