FDC37C93XAPM datasheet(9/280 Pages) SMSC

Part #	FDC37C93XAPM

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

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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DESCRIPTION OF PIN FUNCTIONS

PIN NO.

NAME

SYMBOL

BUFFER

TYPE

92

Keyboard Clock

KCLK

I/OD16P

93

Mouse Data

MDAT

I/OD16P

94

Mouse Clock

MCLK

I/OD16P

SOFT POWER MANAGEMENT INTERFACE

33

Power On (Note 4)

nPowerOn

I/O24

34

Button Input (Note 4)

Button_In

I/O24

GENERAL PURPOSE I/O

96

GPI/O; IRQ In (Note 4)

GP10

I/O4

97

GPI/O; IRQ In/IRQ 13 (Note 4)

GP11

I/O4

98

GPI/O; WD Timer Output/IRRX (Note 4)

GP12

I/O4

99

GPI/O; Power Led Output/IRTX (Note 4)

GP13

I/O24

100

GPI/O; GP Address Decode (Note 4)

GP14

I/O4

102

GPI/O; GP Write Strobe (Note 4)

GP15

I/O4

103

GPI/O; Joy Read Strobe/JOYCS (Note 4)

GP16

I/O4

104

GPI/O; Joy Write Strobe (Note 4)

GP17

I/O4

105

GPI/O; IDE2 Output Enable/8042 P20 (Note 4)

GP20

I/O4

106

GPI/O; Serial EEPROM Data In/AB_DATA (Note 4)

GP21

I/O8

107

GPI/O; Serial EEPROM Data Out/AB_CLK (Note 4)

GP22

I/O8

108

GPI/O; Serial EEPROM Clock (Note 4)

GP23

I/O4

109

GPI/O; Serial EEPROM Enable (Note 4)

GP24

I/O4

110

GPI/O; 8042 P21 (Note 4)

GP25

I/O4

BIOS BUFFERS

111:118

ROM Bus (I/O to the SD Bus) (Note 4)

RD[0:7]

I/O4

119

ROM Chip Select (only used for ROM) (Note 4)

nROMCS

I

120

ROM Output Enable (DIR) (only used for ROM) (Note 4) nROMDIR

I

Note 0:

The interrupt request is output on one of the IRQx signals as 024 buffer type. If EPP or

ECP Mode is enabled, this output is pulsed low, then released to allow sharing of interrupts.

In this case, the buffer type is OD24.

Refer to the configuration section for more

information.

Note 1:

nCS -This pin is the active low chip select; it must be low for all chip accesses. For 12 bit

addressing, SA0:SA11, this input should be tied to GND. For 16 bit address qualification,

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