PC87332VLJ

PC87332VLJ (3 3V 5V) and PC87332VLJ-5 (5V) (SuperI O TM III Premium Green) Floppy Disk Controller Dual UARTs IEEE1284 Parallel Port and IDE Interface PRELIMINARY May 1995 PC87332VLJ (3 3V 5V) and PC87332VLJ-5 (5V) (SuperI O TM III Premium Green) Floppy Disk Controller Dual UARTs IEEE1284 Parallel Port and IDE Interface General Description The PC87332VLJ and PC87332VLJ-5 are single chip solutions 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 and mixed voltage operation in the VLJ version make the PC87332 chips an ideal for low-power and or portable personal computer applications The PC87332 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...