FDC37C935FR Datasheet PDF - SMSC -> Microchip

GENERAL DESCRIPTION
The FDC37C93xFR with Fast IR support incorporates a keyboard interface, real-time clock, SMSCs true CMOS 765B floppy disk controller, advanced digital data separator, 16 byte data FIFO, two 16C550 compatible UARTs, one Multi-Mode parallel port which includes ChiProtect circuitry plus EPP and ECP support, IDE interface, on-chip 24 mA AT bus drivers, game port chip select and two floppy direct drive support, as well as ACCESS.bus, soft power management and SMI support. The true CMOS 765B core provides 100% compatibility with IBM PC/XT and PC/AT architectures in addition to providing data overflow and underflow protection.