KB3930 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

KB3930

Keyboard Controller

Unspecified 

KB3930 Keyboard Controller Datasheet

4. Module Descriptions

4.1 Chip Architecture

4.1.1 Power Planes

Two power planes are in the KBC. One is for digital logic and the other is for analog

circuit. Both power planes are ±10% tolerance for recommend operation condition, The KBC

provides V1.8 power plane for different generation.

Power Plane

Description

Power

Ground

Digital Plane

This power provides power for all digital logic no matter what

power mode is.

VCC

GND

Analog Plane

This power provides power for all analog logic, such as A/D

and D/A converter.

AVCC

AGND

Digital V1.8

The system inputs 3.3V power and the internal regulator

outputs 1.8V voltage. The 1.8V output should connect a

capacitor for stable purpose.

V1.8

GND

Copyright©2010, ENE Technology Inc.

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