EM83053AH Ver la hoja de datos (PDF) - ELAN Microelectronics

Número de pieza

componentes Descripción

Fabricante

EM83053AH

KEYBOARD ENCODER

ELAN Microelectronics 

EM83053A/BH

KEYBOARD ENCODER

bit 4~ bit 0

00000

00001

00010

00011

00100

00101

00110

00111

01000

01001

01010

01011

01100

01101

01110

01111

typematic rate ± 20%

30.0

26.7

24.0

21.8

20.0

18.5

17.1

16.0

15.0

13.3

12.0

10.9

10.0

9.2

8.6

8.0

3. Default rate = 10.9 chars/sec + 20%

Default delay = 500 mS ± 20%

Enable ( Hex F4 )

- Responds with ACK.

- Clears output buffer.

- Clears last typematic key.

- Start scanning.

Default Disable (Hex F5)

- Responds with ACK.

- Resets all conditions to power-on state.

- Clears output buffer.

- Sets the default key type ( scan code set 3 only ).

- Set the default typematic rate/delay.

- Clears last typematic key.

- Stops scanning,

Set Default (Hex F6 )

- Responds with ACK.

- Resets all conditions to power-on state.

- Clears output buffer.

- Sets the default key type ( scan code set 3 only ).

- Set the default typematic rate/delay.

- Clears last typematic key.

- Continues scanning,

Set All Keys ( Hex F7,F8,F9,FA )

* This specification are subject to be changed without notice.

bit 4~ bit 0

10000

10001

10010

10011

10100

10101

10110

10111

11000

11001

11010

11011

11100

11101

11110

11111

typematic rate ± 20%

7.5

6.7

6.0

5.5

5.0

4.6

4.3

4.0

3.7

3.3

3.0

2.7

2.5

2.3

2.1

2.0

6.9.2000 5

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