KB3910 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

KB3910

Keyboard Controller

Unspecified 

KB3920 Keyboard Controller Datasheet

10

WDT

Watchdog Timer

FE80h~FE8Fh

16

11

LPC

Low Pin Count

FE90h~FE9Fh

16

12

XBI

X-BUS Interface

FEA0h~FECFh

48

13

XIO

IO Expender

FED0h~FEDFh

16

14

PS2

PS2

FEE0h~FEFFh

32

15

EC

Embedded Controller (hardware EC Space) FF00h~FF1Fh

32

16

GPWU General Purpose Wake-up (hardware EC FF20h~FE7Fh

96

Space)

17

SMBus System Management BUS (hardware EC FF80h~FFFFh

128

Space)

4.2 GPIO

4.2.1 GPIO Functional Description

Multi-function pin Output Function Selection (FS) bit = 0, is set for GPIO Output Function,

and FS bit = 1, is set for Alternative Output. The alternative input function is enabled by Input

Enable register (IE), and is not affected by FS register.

GPIO No Alt. Output

Alt. Input

Default Alt. Output

Alt. Sel. Reg.

User

Define

User Alt.

define

GPIO00 GA20

GA20

GPIOFS00.0

GPIO01 KBRST#

KBRST#

GPIOFS00.1

GPIO02

GPO_02

GPIOFS00.2

GPIO03

GPO_03

GPIOFS00.3

GPIO04

GPI_04

GPIOFS00.4

GPIO05

PCIRST#

GPI_05

GPIOFS00.5

GPIO06

GPO_06

GPIOFS00.6

GPIO07 i_clk (8051)

GPI_07

GPIOFS00.7

GPIO08 i_clk (peripheral)

GPO_08

GPIOFS08.0

GPIO09

GPO_09

GPIOFS08.1

GPIO0A

GPI_0A

GPIOFS08.2

GPIO0B i_clk 32khz (XCLKI)

GPO_0B

GPIOFS08.3

GPIO0C

GPIO0D

GPIO0E SCI#

GPIO0F PWM1

GPIO10 PWM2

GPIO11

GPIO12 FANPWM1

GPIO13 FANPWM2

GPIO14

GPIO15

FANFB1

FANFB2

GPO_0C

GPI_0D

SCI#

GPO_0F

GPIO_10

GPIO_11

GPIO_12

GPO_13

GPIO_14

GPIO_15

GPIOFS08.4

GPIOFS08.5

GPIOFS08.6

GPIOFS08.7

GPIOFS10.0

GPIOFS10.1

GPIOFS10.2

GPIOFS10.3

GPIOFS10.4

GPIOFS10.5

Copyright©2006, ENE Technology Inc.

20

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