LPC61W492 Ver la hoja de datos (PDF) - SMSC -> Microchip

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LPC61W492

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

nSLIN

43

OD12 PRINTER MODE: nSLIN

Output line for detection of printer selection. This pin is

pulled high internally. Refer to the description of the

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

OD12 mode.

EXTENSION FDD MODE: nSTEP2

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

OD12 the nSTEP pin of FDC.

EXTENSION 2FDD MODE: nSTEP2

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

same as the nSTEP pin of FDC.

nINIT

44

OD12 PRINTER MODE: nINIT

Output line for the printer initialization. This pin is pulled

high internally. Refer to the description of the parallel port

for the definition of this pin in ECP and EPP mode.

OD12 EXTENSION FDD MODE: nDIR2

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

the nDIR pin of FDC.

OD12 EXTENSION 2FDD MODE: nDIR2

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

same as the nDIR pin of FDC.

nAFD

46

OD12 PRINTER MODE: nAFD

An active low output from this pin causes the printer to auto

feed a line after a line is printed. This pin is pulled high

internally. Refer to the description of the parallel port for

the definition of this pin in ECP and EPP mode.

OD12 EXTENSION FDD MODE: DRVDEN0

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

the DRVDEN0 pin of FDC.

OD12 EXTENSION 2FDD MODE: DRVDEN0

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

same as the DRVDEN0 pin of FDC.

13

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