KBD43W13 Ver la hoja de datos (PDF) - SMSC -> Microchip

Número de pieza

componentes Descripción

Lista de partido

KBD43W13

Keyboard and PS/2 Mouse Controller

SMSC -> Microchip 

(A) Input Port Definition (AT Mode)

BIT

FUNCTION

0

Undefined

1

Undefined

2

Undefined

3

Undefined

4

RAM on System Board

0: Disable second 256 KB of system board RAM

1: Enable second 256 KB of system board RAM

5

Manufacturing Jumper Installed

0: Manufacturing jumper

1: Jumper not installed

6

Display Type Switch

0: Primary display attached to color/graphics

1: Primary display attached to monochrome

7

Keyboard Inhibit Switch

0: Keyboard inhibited

1: Keyboard not inhibited

(B) Output Port Definition (AT Mode)

BIT

0

System Reset

1

Gate A20

2

Undefined

3

Undefined

4

Output Buffer Full

5

Input Buffer Empty

6

Keyboard Clock (Output)

7

Keyboard Data (Output)

FUNCTION

(C) Test-input Port Definition (AT Mode)

BIT

0

Keyboard Clock (Input)

1

Keyboard Data (Input)

FUNCTION

9

Share Link: