STMicroelectronics STM32L4 series ARM Cortex-M4 MCU, STM32L451VET6, 80 MHz, 512 KB Flash, 160 KB SRAM, 100-LQFP, tray.
| 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 | 160K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART |
| Number of i (O) | 83 |
| Core processor | ARM® Cortex®-M4 |
| Case | 100-LQFP |
| Data converters | A/D 16x12b; D/A 1x12b |
| Program memory size | 512KB (512K x 8) |
The STM32L451VET6: Connectivity covers CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, and UART/USART — enough to interface with industrial fieldbuses, serial sensors, and external flash without a protocol bridge. The 16-channel 12-bit ADC and single 12-bit DAC handle analog front-end tasks like current sensing or setpoint generation on the same die.
The base product number is STM32L451, and the part ships in tray packaging.
The core runs at 80 MHz, based on the ARM Cortex-M4 with single-cycle multiply and hardware FPU.
No — the STM32L151CBU6A uses a 32 MHz Cortex-M3 core in a different package (UFQFPN-48) with only 37 I/O, so the pinout, footprint, and supply routing are incompatible without a board spin.