Safe Ethernet Gateway Reference Design

The big selection of communication protocols, safe OTA replace capabilities, practical security options, and excessive stage of integration make it a really perfect reference design for creating safe, dependable, and high-performance automotive gateway ECUs.

Ethernet Gateway Reference Designs are essential in fashionable communication and information networking methods. These designs present a sturdy framework for creating units that allow seamless information switch throughout varied community protocols and methods. By integrating Ethernet communication with different networks reminiscent of CAN, Modbus, or wi-fi protocols, Ethernet gateways facilitate connecting totally different units, permitting for environment friendly information routing, management, and monitoring. Key purposes embody industrial automation, good grid methods, IoT networks, and automotive communications. Ethernet Gateway Reference Designs streamline improvement processes, decreasing time to market whereas guaranteeing reliability, scalability, and interoperability throughout advanced networks.

The MPC5748G Safe Ethernet Gateway Reference Design by NXP Semiconductors (MPC5748G-GW-RDB) is a extremely optimised improvement platform designed to speed up the creation of safe and dependable Ethernet gateway digital management models (ECUs). The board is predicated on the 32-bit Energy Structure MPC5748G microcontroller, recognized for its sturdy efficiency, making it a really perfect resolution for gateway product improvement with safe over-the-air (OTA) administration and practical security capabilities. It’s outfitted with the MPC5748G microcontroller in a 176-pin LQFP bundle. This ultra-reliable microcontroller integrates as much as three Energy Structure cores: two e200z4 cores working at 160 MHz and one e200z2 core working at 80 MHz. Moreover, it affords 6 MB of embedded flash reminiscence and 768 KB of SRAM, offering ample assets for dealing with advanced gateway duties.

Complete Automotive Community Integration

The reference design helps varied automotive communication protocols, enabling seamless integration into automobile networks. It options eight CAN FD channels, expandable to 12 through SPI, with information charges as much as 5 Mbps. The design consists of two FlexRay interfaces for high-speed, dependable communication, seven LIN interfaces for lower-speed node communications, and two AVB Ethernet interfaces with an built-in swap for compatibility with superior automobile networks. It affords 4 100Base-T1 Ethernet ports for diagnostics and software program updates and one 100Base-TX Ethernet port. When it comes to safe OTA (Over-the-Air) administration, the board is supplied with 4 GB of onboard eMMC reminiscence, permitting it to deal with firmware updates remotely. This performance ensures autos can obtain new options and safety patches with out the necessity for in-person servicing, a important requirement for contemporary automotive ECUs. 

It’s designed with practical security, adhering to ISO 26262 requirements for automotive methods. Its major microcontroller, the MPC5748G, is rated as much as ASIL B and meets AEC-Q100 Grade 2 {qualifications}. A secondary microcontroller, the S32K144, enhances the system’s security stage to ASIL B. A security-focused built-in circuit manages energy, guaranteeing dependable energy supply to the processor and peripherals. The design additionally consists of an embedded {hardware} safety module (HSM), supporting Safe {Hardware} Extension (SHE) and EVITA safety requirements, safeguarding delicate automobile information and communications.

NXP Semiconductors has examined this reference design. It comes with a invoice of supplies (BOM), schematics, meeting drawing, printed circuit board (PCB) format, and extra. The corporate’s web site has extra information concerning the reference design. To learn extra about this reference design, click on right here.