Ethernet and serial enabled embedded board Ethernet chip: DP83848LQFP48 Serial port 1: RS232 interface with serial port 1 connected to pins PA9 and PA10 RS485 interface: RS485 interface with serial port 2 connected to pins PD5 and PD6 Master MCU: STM32F407VET6LQFP100 Package and footprint: DP83848 in LQFP48 form factor; STM32F407VET6 in LQFP100 form factor Key benefits and what it solves Integrated Ethernet and dual serial interfaces in a compact footprint Enables networked communication and serial data exchange from a single design Flexible serial connectivity One RS232 port (port 1) and one RS485 port (port 2) allow pairing of legacy devices with Ethernet networking Clear pin mappings (PA9/PA10 for RS232; PD5/PD6 for RS485) simplify integration with the STM32F407VET6 MCU performance MCU foundation STM32F407VET6 provides a capable CortexM4 core for compute, control, and realtime processing Reliable physical layer for networking DP83848LQFP48 delivers durable Ethernet physical layer to support standard network connectivity Compatibility, size and performance highlights Functionality Ethernet physical layer via DP83848LQFP48 RS232 interface for serial port 1 RS485 interface for serial port 2 Master control via STM32F407VET6LQFP100 Compatibility Supports standard Ethernet and common serial interfaces used in embedded systems Pin mappings PA9/PA10 for RS232, PD5/PD6 for RS485 align with common STM32 design practices Form factor DP83848 in LQFP48 package STM32F407VET6 in LQFP100 package Designed for surfacemount applications with standard footprints Performance context Dual serial channels combined with Ethernet and a capable MCU provide a solid base for realtime data processing, communication, and control tasks Practical use scenarios Industrial gateway or edge device Collect data from RS485 sensors and devices via port 2, then transmit over Ethernet using port 1 to a server or cloud platform Industrial equipment monitoring and management Use RS232 for legacy device consoles or printers while maintaining Ethernet connectivity for remote management and diagnostics Embedded test bench or development controller RS232/RS485 interfaces support multiple peripherals and sensors; Ethernet enables remote testing, updates, and data streaming