FDC37B80X Ver la hoja de datos (PDF) - SMSC -> Microchip

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FDC37B80X

PC98/99 compliant enhanced super I/O controller with Keyboard / Mouse Wake-Up / 5 Volt Operation

SMSC -> Microchip 

PIN

No./QFP

45:42,

40:37

31:21

20

34

55

46

33

32

48

50

52

47

49

51

54

35

36

4

6

19

61

62

53,65,

93

7,41,

60,76

DESCRIPTION OF PIN FUNCTIONS

NAME

TOTAL SYMBOL

PROCESSOR/HOST INTERFACE (36)

System Data Bus

8

SD[0:7]

11-bit System Address Bus

11

Chip Select/SA11 (Note 1)

1

Address Enable

1

I/O Channel Ready

1

ISA Reset Drive

1

Serial IRQ

1

PCI Clock for Serial IRQ (33MHz/30MHz)

1

DMA Request 1

1

DMA Request 2

1

DMA Request 3/8042 P12

1

DMA Acknowledge 1

1

DMA Acknowledge 2

1

DMA Acknowledge 3/8042 P16

1

Terminal Count

1

I/O Read

1

I/O Write

1

Power Management Event

1

8042 - P17 (Note 5)

1

CLOCKS (1)

14.318MHz Clock Input

1

INFRARED INTERFACE (2)

Infrared Rx

1

Infrared Tx (Note 4)

1

POWER PINS (8)

Power

SA[0:10]

nCS/SA11

AEN

IOCHRDY

RESET_DRV

SER_IRQ

PCI_CLK

DRQ1

DRQ2

DRQ3/P12

nDACK1

nDACK2

nDACK3/

P16

TC

nIOR

nIOW

nPME

P17

CLOCKI

IRRX

IRTX

VCC

Ground

VSS

BUFFER

TYPE

IO12

I

I

I

OD12

IS

IO12

ICLK

O12

O12

O12/IO12

I

I

I/IO12

I

I

I

OD24

IO8

ICLK

I

O24PD

6

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