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 

PIN NO.

(40 Pin

(44 Pin

DIP)

PLCC)

31

35

32

36

33

37

34

38

35

39

36

40

37

41

38

42

39

43

40

44

* Internal pull-up resistor

I/O

I PU*

I PU*

I PU*

I

PU*

O

O

O

O

I

-

NAME

P14

P15

P16

P17

P24

P25

P26

P27

T1

Vcc

FUNCTION

AT MODE

Bit 4 of Port1

(RAM: RAM Jumper

Select)

Bit 5 of Port1

(JUMP: Jumper)

Bit 6 of Port1

(DISP: Display

Select)

Bit 7 of Port1

(KINH: K/B Inhibit

Switch)

Bit 4 of Port2

(KINT: K/B OBF O/P

Interrupt)

Bit 5 of Port2

(IEMP: I/P Buffer

Empty)

Bit 6 of Port2

(KCLK: K/B Clock

Output)

Bit 7 of Port2

(KDAT: K/B Data

Output)

K/B Data Input

+5V Power Supply

PS/2 MODE

Bit 4 of Port1

(RAM: RAM Jumper

Select)

Bit 5 of Port1

(JUMP: Jumper)

Bit 6 of Port1

(DISP: Display

Select)

Bit 7 of Port1

(KINH: K/B Inhibit

Switch)

Bit 4 of Port2

(KINT: K/B OBF O/P

Interrupt)

Bit 5 of Port2

(MINT: Mouse OBF

O/P Interrupt)

Bit 6 of Port2

(KCLK: K/B Clock

Output)

Bit 7 of Port2

(KDAT: K/B Data

Output)

Mouse Clock Input

+5V Power Supply

5

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