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

18

16

11

10

12

8

9

17

5

3

15

14

13

1

2

84

85

87

88

89

86

91

90

95

96

98

99

100

97

94

DESCRIPTION OF PIN FUNCTIONS

NAME

TOTAL

Trickle Voltage

FDD INTERFACE (14)

Read Disk Data

1

Write Gate

1

Write Disk Data

1

Head Select

1

Step Direction

1

Step Pulse

1

Disk Change

1

Drive Select 0

1

Motor On 0

1

Write Protected

1

Track 0

1

Index Pulse Input

1

Drive Density Select 0

1

Drive Density Select 1

1

SERIAL PORT 1 INTERFACE (8)

Receive Serial Data 1

1

Transmit Serial Data 1

1

Request to Send 1

1

Clear to Send 1

1

Data Terminal Ready 1

1

Data Set Ready 1

1

Data Carrier Detect 1

1

Ring Indicator 1

1

SERIAL PORT 2 INTERFACE (8)

Receive Serial Data 2/Infrared Rx

1

Transmit Serial Data 2/Infrared Tx (Note 4)

1

Request to Send 2/Sys Addr 12

1

Clear to Send 2/Sys Addr 13

1

Data Terminal Ready/Sys Addr 14

1

Data Set Ready 2/Sys Addr 15

1

Data Carrier Detect 2/8042 P12

1

7

SYMBOL

VTR

nRDATA

nWGATE

nWDATA

nHDSEL

nDIR

nSTEP

nDSKCHG

nDS0

nMTR0

nWRTPRT

nTRKO

nINDEX

DRVDEN0

DRVDEN1

RXD1

TXD1

nRTS1/

SYSOP

nCTS1

nDTR1

nDSR1

nDCD1

nRI1

RXD2/IRRX

TXD2/IRTX

nRTS2/SA12

nCTS2/SA13

nDTR2/

SA14

nDSR2/

SA15

nDCD2/P12

BUFFER

TYPE

IS

O24/OD24

O24/OD24

O24/OD24

O24/OD24

O24/OD24

IS

O24/OD24

O24/OD24

IS

IS

IS

O24/OD24

O24/OD24

I

O4

O4/I

I

O4

I

I

I

I

O24PD

O4/I

I/I

O4/I

I/I

I/IO24

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