STMicroelectronics STM32G0 series, 32-bit ARM Cortex-M0+ MCU, 64 MHz, 32 KB Flash, 8 KB RAM, 29 I/O, 18x12-bit ADC, 2V to 3.6V supply, -40°C to 85°C, 32-LQFP (7x7 mm).
| Parameter | Value |
|---|---|
| Series | STM32G0 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 64MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 8K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART |
| Number of i (O) | 29 |
| Core processor | ARM® Cortex®-M0+ |
| Case | 32-LQFP |
| Data converters | A/D 18x12b |
| Program memory size | 32KB (32K x 8) |
The STM32G030K6T6TR: With 32 KB Flash and 8 KB RAM, this part fits a single control loop — say, a brushless DC motor driver or a temperature sensor hub with Modbus RTU. It won't hold a multi-stack protocol gateway or a full TCP/IP stack with large buffers. The 8 KB RAM limits buffering and stack depth — real-time tasks need careful allocation, but the DMA and I²S peripherals help move data without loading the core.
Pin-compatible alternatives in the STM32G0 series include the STM32G031K6T6 and STM32G041K6T6 — same 32-LQFP footprint, same supply range, with up to 64 KB Flash and 8 KB RAM. No PCB spin needed for a drop-in upgrade.
The core runs at 64 MHz — a 32-bit ARM Cortex-M0+ with single-cycle multiply, enough for most sensor-fusion and control loops in industrial and consumer gear.