LogiCORE IP SPI-4.2 v10.4 Data Sheet (DS209) - 10.0 English - This fully verified solution interconnects physical-layer devices to link-layer devices in 10 Gbps POS, ATM and Ethernet applications. Optimized for all Virtex-5 and Virtex-4 devices, the core leverages SelectIO™ features to achieve both smaller and faster SPI-4.2 products; enabling higher-level functions such as switches, bridges, and NPU interfaces.