KB3930 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

KB3930

Keyboard Controller

Unspecified 

3.2 Pin Descriptions by Functions

KB3930 Keyboard Controller Datasheet

3.2.1 Low Pin Count I/F Descriptions.

Pin Name

Pin No.

Direction

Description

LAD[3:0]

5, 7,8,10

I/O

LPC address bus.

LFARAME#

4

I

LPC frame control signal.

PCIRST#

13

I

LPC module reset by this signal.

PCICLK

12

I

33MHz PCI clock input.

SERIRQ

3

I/O

Serial IRQ

CLKRUN#

38

I/OD Clock run control

3.2.2 SPI Flash I/F Descriptions

Pin Name

Pin No.

Direction

Description

MISO

119

I

SPI read control signal

MOSI

120

O

SPI write control signal

SPICLK

126

O

SPI clock output

SPICS#

128

O

SPI chip select signal

These pins are input/output disable during reset phase.

3.2.3 PS/2 I/F Descriptions

Pin Name

Pin No.

Direction

Description

PSCLK1

83

I/OD PS/2 port 1 clock

Muxed with SMBus port 2 clock

PSDAT1

84

I/OD PS/2 port 1 data

Muxed with SMBus port 2 data

PSCLK2

85

I/OD PS/2 port 2 clock

Muxed with SMBus port 3 clock

PSDAT2

86

I/OD PS/2 port 2 data

Muxed with SMBus port 3 data

PSCLK3

87

I/OD PS/2 port 3 clock

PSDAT3

88

I/OD PS/2 port 3 data

Copyright©2010, ENE Technology Inc.

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