FDC37M817 Datasheet PDF - SMSC -> Microchip

GENERAL DESCRIPTION
The FDC37M81x* with IrDA v1.0 support incorporates a keyboard interface, SMSCs true CMOS 765B floppy disk controller, advanced digital data separator, two 16C550A compatible UARTs, one Multi-Mode parallel port which includes ChiProtect circuitry plus EPP and ECP, on-chip 12 mA AT bus drivers, one floppy direct drive support, and Intelligent Power Management including PME 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.