LPC61W492QFP データシートの表示（PDF） - SMSC -> Microchip

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LPC61W492QFP

Integrated Super I/O Controller for LPC Bus with Game and MIDI Ports/Plus Hardware Monitoring Functions

SMSC -> Microchip 

Multi-Mode Parallel Port, continued

SYMBOL

PIN

I/O

FUNCTION

PD3

39

I/O14t PRINTER MODE: PD3

Parallel port data bus bit 3. Refer to the description of the

parallel port for the definition of this pin in ECP and EPP

INt

mode.

EXTENSION FDD MODE: nRDATA2

This pin is for Extension FDD B; its function is the same as

INt

the nRDATA pin of FDC. It is pulled high internally.

EXTENSION 2FDD MODE: nRDATA2

This pin is for Extension FDD A and B; its function is the same

as the nRDATA pin of FDC. It is pulled high internally.

PD4

38

I/O14t PRINTER MODE: PD4

Parallel port data bus bit 4. Refer to the description of the

parallel port for the definition of this pin in ECP and EPP

INt

mode.

EXTENSION FDD MODE: nDSKCHG2

This pin is for Extension FDD B; the function of this pin is the

INt

same as the nDSKCHG pin of FDC. It is pulled high

internally.

EXTENSION 2FDD MODE: nDSKCHG2

This pin is for Extension FDD A and B; this function of this pin

is the same as the nDSKCHG pin of FDC. It is pulled high

internally.

PD5

37

I/O14t PRINTER MODE: PD5

Parallel port data bus bit 5. Refer to the description of the

parallel port for the definition of this pin in ECP and EPP

-

mode.

-

EXTENSION FDD MODE: This pin is a tri-state output.

EXTENSION 2FDD MODE: This pin is a tri-state output.

PD6

36 I/OD14t PRINTER MODE: PD6

Parallel port data bus bit 6. Refer to the description of the

-

parallel port for the definition of this pin in ECP and EPP

mode.

OD14 EXTENSION FDD MODE: This pin is a tri-state output.

EXTENSION. 2FDD MODE: nMOA2

This pin is for Extension FDD A; its function is the same as

the nMOA pin of FDC.

PD7

35 I/OD14t PRINTER MODE: PD7

Parallel port data bus bit 7. Refer to the description of the

parallel port for the definition of this pin in ECP and EPP

-

mode.

OD14 EXTENSION FDD MODE: This pin is a tri-state output.

EXTENSION 2FDD MODE: nDSA2

This pin is for Extension FDD A; its function is the same as

the nDSA pin of FDC.

15

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