Realtek Rts5137

Realtek Rts5137 RTS 5137The RTS5137 is a high performance USB 2.0 card reader controller that integrates USB 2.0 PHY and SIE, 8051 MCU.RTS5137 provides plug and play convenience without any driver installation effort.The external serial EEPROM interface provides flexibility in storing customer USB Vender ID, Product ID, and also customer content such as vendor information, product information, revision level, and serial number. The RTS5105 provides an In-System Programming (ISP) capability for manufacturing flexibility; the customer information is programmed into the external EEPROM at production. This four-bit EEPROM interface can be programmed to function as general-purpose I/Os.