FDC37B727 데이터 시트보기 (PDF) - SMSC -> Microchip

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FDC37B727

128 Pin Enhanced Super I/O Controller with ACPI Support

SMSC -> Microchip 

DESCRIPTION OF PIN FUNCTIONS

PIN

No./QFP

44-47,

49-52

23-38

43

64

53

40

39

55

57

59

54

56

58

61

60

63

41

42

22

66

68

18

62, 93,

121

7, 48,

74, 104

67

69

65

19

20

21

16

11

TABLE 1 - DESCRIPTION OF PIN FUNCTIONS

NAME

TOTAL SYMBOL

PROCESSOR/HOST INTERFACE (40)

System Data Bus

8

SD[0:7]

16-bit System Address Bus

Address Enable

I/O Channel Ready

ISA Reset Drive

Serial IRQ/IRQ15

PCI Clock/IRQ14/GP50

DMA Request 0

DMA Request 1

DMA Request 2

DMA Acknowledge 0

DMA Acknowledge 1

DMA Acknowledge 2

DMA Request 3

DMA Acknowledge 3

Terminal Count

I/O Read

I/O Write

14.318MHz Clock Input

32.768kHz Crystal Input

32.768kHz Crystal Driver

32.768kHz Clock Out

+5V Supply Voltage

16

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

CLOCKS (4)

1

1

1

1

POWER PINS (10)

3

SA[0:15]

AEN

IOCHRDY

RESET_DRV

SER_IRQ

PCI_CLK

DRQ0

DRQ1

DRQ2

nDACK0

nDACK1

nDACK2

DRQ3

nDACK3

TC

nIOR

nIOW

CLOCKI

XTAL1

XTAL2

CLK32OUT

VCC

Digital Ground

4

VSS

Analog Ground

1

Trickle Supply Voltage

1

Battery Voltage

1

POWER MANAGEMENT (3)

Power On

1

Button In

1

Power Management Event/SCI/IRQ9

1

FDD INTERFACE (16)

Read Disk Data

1

Write Gate

1

AVSS

VTR

VBAT

nPOWERON

BUTTON_IN

nPME

nRDATA

nWGATE

BUFFER TYPE

IO12

I

I

OD12

IS

IO12

IO12

O12

O12

O12

I

I

I

O12

I

I

I

I

ICLK

ICLK

OCLK2

O8

OD24

I

O12

IS

O24

7

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