FDC37B777 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B777

Enhanced Super I/O Controller with Wake-Up Features and Consumer IR

SMSC -> Microchip 

PIN

No./QFP

37:40,

42:45

20:30

31

36

55

46

33

32

50

48

52

47

49

51

54

34

35

4

6

19

61

62

53,65,

93

7,41,

60,76

18

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

32.768 Trickle Clock Input

1

CLOCKS (1)

14.318MHz Clock Input

1

INFRARED INTERFACE (2)

Infrared Rx

1

Infrared Tx (Note 4), (Note 5)

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

CLOCK132

CLOCKI

IRRX

IRTX

VCC

Ground

Trickle Voltage

VSS

VTR

6

BUFFER

TYPE

IO12

I

I

I

OD12

IS

IO12

ICLK

O12

O12

O12/IO12

I

I

I/IO12

I

I

I

OD24

ICLK

ICLK

I

O24PD

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