KB3920 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

fabricante

KB3920

Keyboard Controller

Unspecified 

1.3 Block Diagram

KB3920 Keyboard Controller Datasheet

LPC I/F

KBC

IO cycles

EC

Port 80

Index

IO cycles

8051

build-in with

2 16-bit timers

1 UART

24 extended interrupt

channels

LPC/FWH

data

MEM cycles

BUS

code

fetching

BUS

XBI

/

XIO

ENE Host BUS

Flash

I/F

GPIO GPT

2KB

x 74

x4

SRAM

PWM

x4

KBC

hardware

com m and

x8

EC

hardware

command

x5

EC Index mode can accessing

full register space by this path

ADC DAC

x4

x4

PCI clock

65.536 Mhz

IKB

18 x 8

hardware

com m and

x 10

PMU

32.768 Mhz

16.384 Mhz

32.768 Khz

PS2 clock

x 4 control

ENE

2nd

BUS

FAN1

FAN2

SMB

WDT

Copyright©2006, ENE Technology Inc.

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