The **STM32F412RGH3P** is a high-performance microcontroller from STMicroelectronics’ STM32F4 series. It is based on the **ARM® Cortex®-M4** 32-bit RISC core with a Floating Point Unit (FPU). --- ## 🛠 Key Specifications | Feature | Specification | | :--- | :--- | | **Core** | ARM® Cortex®-M4 with FPU & DSP instructions | | **Max CPU Frequency** | 100 MHz | | **Flash Memory** | 1 MB | | **SRAM** | 256 KB | | **Package** | UFBGA64 (7x7 mm) | | **Operating Voltage** | 1.7 V to 3.6 V | | **Operating Temp** | -40°C to 85°C | --- ## 🔌 Electronic Components & Peripherals ### 1. Processing and Memory * **Adaptive Real-Time Accelerator (ART Accelerator™):** Allows 0-wait state execution from Flash memory at CPU frequencies up to 100 MHz. * **DMA Controller:** 16-stream DMA controller with FIFOs and burst support to reduce CPU load during data transfers. ### 2. Connectivity & Communication The STM32F412RGH3P is highly versatile in terms of interfacing: * **I2C:** 4x interfaces (SMBus/PMBus support). * **USART/UART:** 4x interfaces (up to 12.5 Mbit/s). * **SPI/I2S:** 5x SPIs (up to 50 Mbit/s) and full-duplex I2S for high-quality audio. * **USB:** USB 2.0 full-speed device/host/OTG controller with on-chip PHY. * **CAN:** 2x CAN interfaces (2.0B Active). * **SDIO:** Interface for SD cards and MMC. ### 3. Analog Peripherals * **ADC (Analog-to-Digital Converter):** 1x 12-bit ADC with 16 channels, capable of 2.4 MSPS. * **Temperature Sensor:** Internal sensor connected to the ADC. ### 4. Timers and I/O * **Advanced-control Timers:** 2x 16-bit timers for PWM and motor control. * **General-purpose Timers:** 10x 16-bit and 2x 32-bit timers. * **GPIOs:** Up to 50 fast I/O ports, most of which are 5V-tolerant. --- ## 📦 Decoding the Part Number: STM32F412RGH3P | Segment | Meaning | | :--- | :--- | | **STM32** | 32-bit Microcontroller Family | | **F412** | High-performance Foundation Line (Cortex-M4) | | **R** | Pin Count: 64 pins | | **G** | Flash Memory: 1024 Kbytes (1 MB) | | **H** | Package: UFBGA | | **3** | Temperature Range: -40°C to 125°C (Extended) | | **P** | Specific Packing/options (usually Tray/Tube) | --- ## 🚀 Common Applications * **Industrial:** Motor control, PLC (Programmable Logic Controllers). * **Consumer:** Handheld medical devices, high-end audio gear. * **IoT:** Smart gateways and sensor hubs requiring high processing power and low energy consumption.