ST STM32L4 series, ARM Cortex-M4, 32-bit Single-Core, 80MHz, 256KB Flash, 64K x 8 RAM, 100-LQFP, -40°C to 85°C.
| Parameter | Value |
|---|---|
| Series | STM32L4 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C ~ 85°C (TA) |
| Speed | 80MHz |
| Package | Tray |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB |
| Number of i (O) | 83 |
| Core processor | ARM® Cortex®-M4 |
| Case | 100-LQFP |
| Data converters | A/D 16x12b; D/A 2x12b |
| Program memory size | 256KB (256K x 8) |
The STM32L433VCT6 connectivity block covers CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, and UART/USART, plus USB.
For a calibration technician or test engineer, this means the part can digitise multiple sensor inputs (thermistors, strain gauges, current shunts) with 12-bit resolution and generate analogue setpoints or reference voltages from the DACs — all on a single chip.
That memory footprint handles moderate-sized firmware stacks, sensor fusion algorithms, and communication buffers without external memory.
The STM32L433VCT6 provides 83 general-purpose I/O pins in the 100-LQFP package. This count supports parallel LCD interfaces, multiple sensor inputs, and expansion buses like CAN and USB simultaneously.