FDC37C67X Ver la hoja de datos (PDF) - SMSC -> Microchip

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FDC37C67X

Enhanced Super I/O Controller with Fast IR

SMSC -> Microchip 

DESCRIPTION OF MULTIFUNCTION PINS

PIN

ORIGINAL ALTERNATE ALTERNATE

NO./QFP FUNCTION FUNCTION 1 FUNCTION 2 DEFAULT NOTE

2

DRVDEN1 IR MODE

IRRX3

DRVDEN1

1

32

PCICLK

IRQ4

PCICLK

2

33

SERIRQ

IRQ3

SERIRQ

2

51

nDACK3

8042 P16

nDACK3

3

52

DRQ3

8042 P12

DRQ3

3

92

nRI2

8042 P16

IRQ12

nRI2

4

94

nDCD2

8042 P12

IRQ11

nDCD2

4

95

RXD2

IRRX

RXD2

5

96

TXD2

IRTX

TXD2

5

97

nDSR2

SA15

IRQ10

nDSR2

6

98

nRTS2

SA12

IRQ5

nRTS2

6

99

nCTS2

SA13

IRQ6

nCTS2

6

100 nDTR2

SA14

IRQ7

nDTR2

6

Note 1: Controlled by IRMODSEL(LD8:CRC0.0) and IRRX3SEL(LD8:CRC0.4)

Note 2: Controlled by SERIRQSEL(LD8:CRC0.2)

Note 3: Controlled by DMA3SEL(LD8:CRC0.1)

Note 4: Controlled by 8042COMSEL(LD8:CRC0.3) and SERIRQSEL(LD8:CRC0.2)

Note 5: Controlled by IR Option Register( LD5:CRF1.6)

Note 6: Controlled by 16 bit Address Qual.(CR24.6) and SERIRQSEL(LD8:CRC0.2)

For more information, refer to tables 65 through 75.

10

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