Core components Master MCU: STM32F407VET6LQFP100 Ethernet chip: DP83848LQFP48 RS485 interface: 1 RS485 interface with serial port 2 PD5 PD6 Serial port: 1 RS232 interface with serial port 1 PA9 PA10 Key benefits and features Powerful single chip control and processing The STM32F407VET6 provides a capable 32bit MCU core for embedded control tasks, enabling reliable data handling and realtime processing in a compact package. Direct Ethernet connectivity Integrated DP83848 Ethernet PHY enables standard network connectivity, allowing devices to communicate over local networks or connect to remote management systems without additional network hardware. Flexible serial communications The module offers both RS485 and RS232 interfaces, supporting common industrial and embedded communication schemes. RS485 is provided via serial port 2 (PD5, PD6), and RS232 via serial port 1 (PA9, PA10). Clear, defined I/O and port mapping The RS485 channel uses pins PD5 and PD6, while the RS232 channel uses pins PA9 and PA10, enabling straightforward wiring and integration into existing designs. Compact, boardlevel integration The module combines a capable MCU, Ethernet PHY, and dual serial interfaces on a compact form factor suitable for spaceconstrained projects and rapid system assembly. Compatibility with standard toolchains Based on STM32F407 series, this module aligns with common STM32 development environments and software libraries, aiding porting and development across existing projects. Physical attributes and compatibility Form factor The module uses standard MCU and PHY packages (LQFP100 for the MCU and LQFP48 for the Ethernet PHY) in a compact configuration suitable for embedded boards and custom enclosures. Materials and construction The description reflects a PCBbased module built around widely used STM32 and DP83848 components. Specific material details are not provided. Performance scope The combination of a performance CortexM4 MCU and Ethernet PHY supports realtime processing with networkenabled capabilities, plus flexible serial communication for diverse devices. Typical use scenarios Industrial automation gateway Bridge field devices using RS485 networks to a central Ethernetbased SCADA system. The RS485 channel supports multipoint sensor/actuator networks, while Ethernet provides remote monitoring and control. Embedded development and prototyping Use the MCU, RS485, RS232, and Ethernet to prototype connected devices that require local control logic and network communication, such as data loggers, humanmachine interfaces, or gateway prototypes. Sensor data collection and remote management Collect data from RS485 sensors and transmit it over Ethernet to a cloud or onpremises server, enabling remote configuration, status monitoring, and data analytics. The RS232 port can connect legacy devices for initial data ingestion or control. Notes for integration Wiring Connect RS485 devices to the serial port 2 lines (PD5, PD6) and connect RS232 devices to serial port 1 lines (PA9, PA10). Ensure proper network wiring and termination as per standard RS485 and RS232 practices. software and development Utilize common STM32 development toolchains and libraries to program and debug the STM32F407VET6 MCU, and configure Ethernet and serial communication per project requirements. applications This module is suitable for embedded systems requiring a midrange MCU, Ethernet connectivity, and dual serial interfaces for RS485 and RS232 communications.