
Winbond
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