PC87334VJG

PC87334VLJ PC87334VJG SuperI O 3 3V 5V Floppy Disk Controller Dual UARTs Infrared IEEE1284 Parallel Port and IDE Interface PRELIMINARY March 1995 PC87334VLJ PC87334VJG SuperI O TM 3 3V 5V Floppy Disk Controller Dual UARTs Infrared IEEE1284 Parallel Port and IDE Interface General Description The PC87334VLJ PC87334VJG is a single chip solution for most commonly used I O peripherals in ISA EISA and MicroChannel based computers It incorporates a Floppy Disk Controller (FDC) two full featured UARTs an IEEE 1284 compatible parallel port and all the necessary control logic for an IDE interface Standard PC-AT address decoding for all the peripherals and a set of configuration registers are also implemented in this highly integrated member of the SuperI O family Advanced power management features mixed voltage operation and integrated Serial-InfraRed (SIR) support makes the PC87334 an ideal choice for low-power and or portable personal computer applications The PC87334 FDC uses a high performance digital data separator eliminating the need for any external filter components It is fully compatible with the PC8477 and incorporates a superset of DP8473 NEC mPD765 and N82077 floppy disk controller functions All popular 5 25 and 3 5 floppy drives including the 2 88 MB 3 5 floppy drive are supported In addition automatic media sense and 2 Mbps tape drive support are provided by the FDC The two UARTs are fully NS16450 and NS16550 compatible Both ports support MIDI baud rates and one port a...