FDC37C93 Просмотр технического описания (PDF) - SMSC -> Microchip

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Компоненты Описание

производитель

FDC37C93

Plug and Play Compatible Ultra I/O™ Controller with Soft Power Management

SMSC -> Microchip 

Pin

Original

Alternate Alternate Alternate Buffer

No. Function Function 1 Function 2 Function 3 Type

27

nHDCS2

SA13

-

-

I/O24

Default

float

Index

Register

-

GPI/O

-

28

nHDCS3

SA14

-

-

I/O24

float

-

-

29

IDE2_IRQ

SA15

-

-

I

float

-

-

53 nCS/SA 12

-

-

-

I

input

-

-

96

GPI/O

IRQ in

-

-

I/O4

input

GP1 GP10

97

GPI/O

IRQ in

IRQ13

-

I/O4

input

GP1 GP11

98

GPI/O

WDT

-

-

Timer

Output/

IRRX

99

GPI/O

Power LED

-

-

Output/

IRTX

100

GPI/O

GP

-

-

Address

Decode

102

GPI/O

GP Write

-

-

Strobe

103

GPI/O

Joy Read

JOYCS

-

Strobe

104

GPI/O

Joy Write

-

-

Strobe

105

GPI/O

IDE2

8042 P20

-

Output

Enable

106

GPI/O

Serial

AB_DATA

-

EEPROM

Data In

107

GPI/O

Serial

AB_CLK

-

EEPROM

Data Out

108

GPI/O

Serial

-

-

EEPROM

Clock

109

GPI/O

Serial

-

-

EEPROM

Enable

110

GPI/O

8042 P21

-

-

I/O4

input

I/O24

I/O4

I/O4

I/O4

I/O4

I/O4

I/O8

/OD8

(EN1)

I/O8

/OD8

(EN1)

I/O4

I/O4

I/O4

input

input

input

input

input

input

input

input

input

input

input

GP1 GP12

GP1 GP13

GP1 GP14

GP1

GP1

GP1

GP2

GP15

GP16

GP17

GP20

GP2 GP21

GP2 GP22

GP2 GP23

GP2 GP24

GP2 GP25

Note 1: At power-up, RD0-RD7, nROMCS and nROMOE function as the XD Bus. To use

RD0-RD7 for functions other than the XD Bus, nROMCS must stay high until

those pins are finished being reprogrammed.

Note 2: These pins are input (high-z) until programmed for second serial port.

Note 3: This is the trickle voltage input pin for the FDC37C93xAPM.

Note 4: These pins cannot be programmed as open drain pins in their original function.

Note: No pins in their original function can be programmed as inverted input or inverted output.

12

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