S82091AA データシートの表示（PDF） - Intel

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S82091AA

ADVANCED INTEGRATED PERIPHERAL (AIP)

Intel 

82091AA

floppy disk controller is the 82078 core The serial ports are 16550 compatible The parallel port supports all of

the IEEE Standard 1284 protocols (ECP EPP Byte Compatibility and Nibble) The IDE interface supports

8- or 16-bit programmed I O and 16-bit DMA The Host Interface is an 8-bit ISA interface optimized for type

‘‘F’’ DMA and no wait-state I O accesses Improved throughput and performance the 82091AA contains six

16-byte FIFOs–two for each serial port one for the parallel port and one for the floppy disk controller The

82091AA also includes power management and 3 3V capability for power sensitive applications such as

notebooks The 82091AA supports both motherboard and add-in card configurations

Figure 1 82091AA Advanced Integrated Peripheral Block Diagram

290486 – 1

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