FDC37B78X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

MFG CO.

FDC37B78X

Enhanced Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR

SMSC -> Microchip 

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TABLE 47 - FDC PARALLEL PORT PINS

SPP MODE PIN DIRECTION FDC MODE PIN DIRECTION

nSTROBE

I/O

(nDS0)

I/(O) Note1

PD0

I/O

nINDEX

I

PD1

I/O

nTRK0

I

PD2

I/O

nWP

I

PD3

I/O

nRDATA

I

PD4

I/O

nDSKCHG

I

PD5

I/O

-

-

PD6

I/O

(nMTR0)

I/(O) Note1

PD7

I/O

-

-

nACK

I

nDS1

O

BUSY

I

nMTR1

O

PE

I

nWDATA

O

SLCT

I

nWGATE

O

nALF

I/O

DRVDEN0

O

nERROR

I

nHDSEL

O

nINIT

I/O

nDIR

O

nSLCTIN

I/O

nSTEP

O

Note 1: These pins are outputs in mode PPFD2, inputs in mode PPFD1.

Refer to Force Write Protect in the Floppy Disk Controller section for information on the Floppy disk

Controller Force Write Protect function.

110

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