PC8477B Datasheet | National Semiconductor

PC8477B (SuperFDC) Advanced Floppy Disk Controller August 1993 PC8477B (SuperFDC TM ) Advanced Floppy Disk Controller General Description The PC8477B CMOS advanced floppy disk controller is an enhanced version of National’s DP8473 floppy controller The PC8477B is software patible with the DP8473 and NEC mPD765 floppy disk controllers In addition it is pin and software patible with the Intel 82077AA floppy controller The PC8477B a 24 MHz crystal a device chip select and a resistor package are all that is needed for a plete PC-AT PS 2 or EISA floppy controller solution The PC8477B includes advanced Features such as a 16 byte FIFO (Burst and Non-Burst modes) support of...