ARM Cortex-M4 180 MHz · 2MB Flash · 256KB SRAM · LQFP-100 · Pixhawk 2.4.x Autopilot MCU · FPU + DSP
| Part Number | STM32F427VIT6 |
|---|---|
| Manufacturer | STMicroelectronics |
| Core | ARM Cortex-M4 with FPU + DSP |
| Max Frequency | 180 MHz |
| Flash | 2 MB (dual-bank) |
| SRAM | 256 KB (192 KB + 64 KB CCM) |
| Package | LQFP-100 (14×14mm, 0.5mm pitch) |
| Supply Voltage | 1.8V – 3.6V |
| Operating Temp | −40°C to +85°C (Industrial) |
| GPIO | 82 (5V tolerant I/O) |
| Flash | 2 MB (Dual bank, live update capable) |
|---|---|
| SRAM | 192 KB + 64 KB CCM (zero-wait-state) |
| Backup SRAM | 4 KB (battery-backed) |
| External Memory | FMC/FSMC for SDRAM, NOR, NAND, PC Card |
| Data Cache | 64-byte instruction/data cache |
| UART/USART | 4× USART, 4× UART |
|---|---|
| SPI | 6× SPI (up to 45 MHz) |
| I²C | 3× I²C |
| CAN | 2× CAN 2.0B |
| USB | USB OTG FS/HS |
| ADC | 3× 12-bit ADC, 24 channels |
| Timer | 17× timers (32-bit + 16-bit) |
The STM32F427VIT6 is the original Pixhawk 2.4.x flight controller MCU — running ArduPilot, PX4 and QGroundControl on millions of drones worldwide. Its 180MHz Cortex-M4, 2MB dual-bank Flash, 6× SPI and 2× CAN make it the workhorse of open-source autopilots. UAVCHIP maintains reserve stock for MRO and production repair needs.