FDC37B78X 查看數據表（PDF） - SMSC -> Microchip

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FDC37B78X

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

SMSC -> Microchip 

DESCRIPTION OF PIN FUNCTIONS

PIN

No./QFP

NAME

TOTAL SYMBOL

PROCESSOR/HOST INTERFACE (40)

BUFFER TYPE

44-47, System Data Bus

8

SD[0:7]

IO12

49-52

23-38 16-bit System Address Bus

16 SA[0:15]

I

43

Address Enable

1

AEN

I

64

I/O Channel Ready

1

IOCHRDY

OD12

53

ISA Reset Drive

1

RESET_DRV

IS

40

Serial IRQ/IRQ15

1

SER_IRQ

IO12

39

PCI Clock/IRQ14/GP50

1

PCI_CLK

IO12

55

DMA Request 0

1

DRQ0

O12

57

DMA Request 1

1

DRQ1

O12

59

DMA Request 2

1

DRQ2

O12

61

DMA Request 3

1

DRQ3

O12

54

DMA Acknowledge 0

1

nDACK0

I

56

DMA Acknowledge 1

1

nDACK1

I

58

DMA Acknowledge 2

1

nDACK2

I

60

DMA Acknowledge 3

1

nDACK3

I

63

Terminal Count

1

TC

I

41

I/O Read

1

nIOR

I

42

I/O Write

1

nIOW

I

CLOCKS (4)

22

14.318MHz Clock Input

1

CLOCKI

I

66

32.768kHz Crystal Input

1

XTAL1

ICLK

68

32.768kHz Crystal Driver

1

XTAL2

OCLK

18

32.768kHz Clock Out

1

CLK32OUT

O8

POWER PINS (10)

7

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