PCIe-AE304bp: 4-Port 100/1000BASE-T1 Automotive Ethernet 802.3bw/bp PCIe Card

PCIe-AE304bp is a wide-temperature, fanless, four-port Automotive Ethernet PCIe card designed for in-vehicle test, validation, and edge computing applications. It provides direct 100/1000BASE-T1 connectivity for x86-based test platforms and edge systems interfacing with high-bandwidth sensors such as LiDARs and radars.

The adoption of Automotive Ethernet is accelerating across ADAS and autonomous driving applications, where 100/1000BASE-T1 enableshigh-bandwidth, scalable communication over single twisted-pair cabling. By reducing cable weight, space requirements, and wiring complexity,BASE-T1 technology provides an efficient networking backbone for next-generation vehicle electronics. 1000BASE-T1 supports data-intensivesensors such as LiDAR, while 100BASE-T1 is widely adopted for radar and other automotive devices. As more in-vehicle sensors transition toEthernet-based communication, BASE-T1 has become a critical interface for ADAS development, autonomous driving validation, and automotiveelectronics testing.

Designed as a single-slot, half-length PCIe add-on card, PCIe-AE304bp integrates four Marvell 88Q2221 Automotive Ethernet PHYs, enablingsoftware-configurable 100/1000BASE-T1 communication with flexible master/slave configuration. Requiring a PCIe Gen2 x4 lane signal in a standardx4 slot, the card installs directly into standard host systems without additional external media converters or cabling. The locking automotiveinterface also eliminates the vibration-related connection issues commonly associated with traditional RJ45-based solutions. Support for IEEE 1588Precise Time Protocol (PTP) enables accurate time synchronization with connected sensors, achieving sub-microsecond accuracy.

Compared with external media converter architectures that add cost, latency, cabling complexity, and system footprint, PCIe-AE304bp offersfour native Automotive Ethernet ports through a single PCIe slot. It simplifies BASE-T1 integration for engineers developing ADAS test benches,autonomous driving solutions, and vehicle electronics validation systems using standard computing platforms.