1. Core Parameters (Quick Overview) Core: ARM Cortex‑M4 @ 120MHz, hardware FPU, DSP instructions, MPU Memory: 1024KB Flash, 96KB SRAM Package: LQFP‑64 (10×10mm), 51 GPIOs Voltage: 2.6–3.6V; Temperature: −40℃ ~ +85℃ Debug: SWD/JTAG, supports real-time trace 2. On-Chip Peripherals (Key Features) Analog: 2×12-bit ADC (2.6MSPS), 2×12-bit DAC Timers: 10×16-bit general-purpose, 2× advanced PWM, 2× basic, 1×SysTick, 2× watchdog, 1×RTC Communication Interfaces: 3×SPI, 2×I2C, 5×UART (3USART+2UART), 2×I2S 2×CAN 2.0B, USB OTG FS (Device/Host) Supports EXMC (External Memory Controller) Others: DMA, CRC, RNG, low-power modes (Stop/Standby) 3. Model Decoding (RGT6) R: LQFP‑64 package G: 1MB Flash T: 96KB SRAM 6: Industrial-grade temperature (−40℃ ~ +85℃) 4. Typical Applications Industrial control, motor drives, PLCs, inverters IoT gateways, USB devices, CAN bus nodes HMIs, graphical displays, smart meters Consumer electronics, medical devices, smart home 5. Pricing & Alternatives (2026 Reference) Unit price: ~¥32–42 (1–10pcs), lower for bulk Alternative: STM32F405RGT6 (pin-compatible, similar performance, top domestic substitute) 6. Key Advantages M4+FPU+120MHz: Strong floating-point/algorithm performance, ideal for motor/signal processing 1MB Flash/96KB RAM: Large memory, handles complex applications USB OTG + dual CAN + EXMC: Robust connectivity, industrial/IoT-friendly Cost-effective domestic option: Stable supply, one of the best STM32F4 alternatives