FDC37B78X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B78X

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

SMSC -> Microchip 

TABLE 8 - INTERNAL 2 DRIVE DECODE - NORMAL

DIGITAL OUTPUT REGISTER

DRIVE SELECT

MOTOR ON OUTPUTS

OUTPUTS (ACTIVE LOW)

(ACTIVE LOW)

Bit 7 Bit 6 Bit 5 Bit 4 Bit1 Bit 0

nDS1

nDS0

nMTR1

nMTR0

X

X

X

1

0

0

1

0

nBIT 5

nBIT 4

X

X

1

X

0

1

0

1

nBIT 5

nBIT 4

X

1

X

X

1

0

1

1

nBIT 5

nBIT 4

1

X

X

X

1

1

1

1

nBIT 5

nBIT 4

0

0

0

0

X

X

1

1

nBIT 5

nBIT 4

TABLE 9 - INTERNAL 2 DRIVE DECODE - DRIVES 0 AND 1 SWAPPED

DIGITAL OUTPUT REGISTER

DRIVE SELECT

OUTPUTS (ACTIVE

MOTOR ON OUTPUTS

(ACTIVE LOW)

LOW)

Bit 7 Bit 6 Bit 5 Bit 4 Bit1 Bit 0 nDS1

nDS0

nMTR1

nMTR0

X

X

X

1

0

0

0

1

nBIT 4

nBIT 5

X

X

1

X

0

1

1

0

nBIT 4

nBIT 5

X

1

X

X

1

0

1

1

nBIT 4

nBIT 5

1

X

X

X

1

1

1

1

nBIT 4

nBIT 5

0

0

0

0

X

X

1

1

nBIT 4

nBIT 5

23

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