描述

The LAN9512i is a high performance Hi-Speed USB 2.0 hub with a 10/100 Ethernet controller. With applications ranging from embedded systems, desktop PCs, notebook PCs, printers, game consoles, and docking stations, the LAN9512i is targeted as a high performance, low cost USB/Ethernet and USB/USB connectivity solution. Key Features USB Hub Fully compliant with Universal Serial Bus Specification Revision 2.0 HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) compatible Two downstream ports, one upstream port Port mapping and disable support Port Swap: Programmable USB diff-pair pin location PHY Boost: Programmable USB signal drive strength Select presence of a permanently hardwired USB peripheral device on a port by port basis Advanced power saving features Downstream PHY goes into low power mode when port power to the port is disabled Full Power Management with individual or ganged power control of each downstream port. Integrated USB termination Pull-up/Pull-down resistors Internal short circuit protection of USB differential signal pins