FDC37C93X 데이터 시트보기 (PDF) - SMSC -> Microchip

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FDC37C93X

Plug and Play Compatible Ultra I/O™ Controller

SMSC -> Microchip 

PIN NO.

DESCRIPTION OF PIN FUNCTIONS

NAME

SYMBOL

PROCESSOR/HOST INTERFACE

72:79 System Data Bus

SD[0:7]

41:52 System Address Bus

SA[0:11]

53

Chip Select/SA12 (Active Low)(Note 1)

nCS

70

Address Enable (DMA master has bus control) AEN

90

I/O Channel Ready

IOCHRDY

80

Reset Drive

RESET_DRV

67:61, Interrupt Requests [1,3:12,14,15]

59:54 (Polarity control for IRQ8)

IRQ[1,3:12,

14,15]

82,84, DMA Requests

86,88

DRQ[0:3]

81,83, DMA Acknowledge

85,87

nDACK[0:3]

89

Terminal Count

TC

68

I/O Read

nIOR

69

I/O Write

nIOW

35

Serial Clock Out (24 MHz)

24CLK

36

16 MHz Out

16CLK

22

14.318MHz Clock Input

CLOCKI

37

14.318MHz Clock Output 1

CLKO1

38

14.318MHz Clock Output 2

CLKO2

39

14.318MHz Clock Output 3

CLKO3

POWER PINS

21, 60, +5V Supply Voltage

101, 125,

139

VCC

1, 8, 40, Ground

71, 95,

123, 130

GND

FDD INTERFACE

17

Read Disk Data

nRDATA

12

Write Gate

nWGATE

11

Write Disk Data

nWDATA

BUFFER TYPE

I/O24

I

I

I

OD24

IS

OD24

O24

I

I

I

I

08SR

08SR

ICLK

O16SR

08SR

08SR

IS

OD48

OD48

5

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