GENERAL DESCRIPTION
The FDC37N958FR is compliant with ACPI 1.0 and PC 97 and incorporates an 8051 based keyboard controller; a Flash Interface; four PS/2 ports; real-time clock; SMSCs true CMOS 765B FDC with advanced digital data separator and 16 byte data FIFO; two 16C550A compatible UARTs, the second UART contains a Synchronous Communications Engine to provide for IrDA Ver 1.1 (Fast IR) compliance; one Multi-Mode parallel port which includes ChiProtectTM circuitry plus EPP and ECP support; 8584 style Access Bus interface; Serial IRQ peripheral agent interface; General Purpose I/O; Two independent pulse width modulators; on-chip 24 mA AT bus drivers and two floppy direct drive 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.