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GENERAL DESCRIPTION The W83787IF is a derivative product of W83787F with one of UARTs support HPSIR and ASKIR. The W83787IF integrates a disk drive adapter ,two 16550 compatible UARTs, and one parallel port with EPP mode, ECP mode, and joystick mode. FEATURES • 1.44MB Floppy Disk Controller --- Support four 360K,720K,1.2M,1.44M floppy disk drives --- Data Transfer Rate 250Kb/s,300Kb/s,500Kb/s --- Single 24Mhz crystal input --- FDD anti-virus function with software write protect and FDD write enable signal, write data signal force inactive • Serial Ports --- Two high speed 16550 UART with 16 byte FIFO --- Programmable baud rate generator --- Modem Control Circuitry --- Support IrDA(HPSIR) and Amplitude Shift Keyed IR(ASKIR) Infrared communication --- MIDI compatible • Parallel Port --- Support Standard Parallel Port(SPP),Enhanced Parallel Port(EPP), Enhanced Capability Port(ECP) --- Joystick mode supports joystick through parallel port --- Extension FDD mode support disk drive B through parallel port --- Extension Adapter Mode support pocket devices through parallel port --- Extension 2FDD mode support disk drive A and B through parallel port --- Compatible with IBM Parallel Port --- Support parallel port with bi-directional lines • IDE Interface --- Support two embedded hard disk drives(IDE AT BUS) • Game Port Supported • Based on pinout of W83777/787F • Two General Purpose I/O pins • 100 PQFP
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