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EKK8011AB

USB & PS/2 Keyboard Encoder

ELAN Microelectronics 

eKK8011AB

USB and PS/2 Keyboard Encoder

6.1.7 Keyboard Scan Code Table

The keyboard contains three scan code sets. The system defaults to scan code Set 2,

but can be switched to Set 1 or Set 3. The following tables show the key numbers and

three scan code sets in hexadecimal values. All the keys are typematics except for the

pause key. When a key is pressed down, the make scan code is sent to the system.

When the key is released, its break code is sent. If two or more keys are held down,

only the last key pressed repeats at the typematic rate. Typematic operation stops

when the last pressed key is released, even if other keys are being released or some

other keys are still held down.

The following table shows three scan code sets used in the keyboard.

Scan Code Set 1

Key

Make Code

`(~)

29

1

02

2

03

3

04

4

05

5

06

6

07

7

08

8

09

9

0A

0

0B

-(-)

0C

=(+)

0D

Backspace

0E

TAB

0F

Q

10

W

11

E

12

R

13

T

14

Y

15

U

16

I

17

O

18

P

19

Break Code

A9

82

83

84

85

86

87

88

89

8A

8B

8C

8D

8E

8F

90

91

92

93

94

95

96

97

98

99

Key

X

C

V

B

N

M

,(<)

.(>)

/(?)

SHIFT_R

CTRL_L

ALT_L

SPACE

ALT_R

CTRL_R

NUM

(7)

(4)

(1)

(8)

(5)

(2)

()

(*)

(9)

Make Code

2D

2E

2F

30

31

32

33

34

35

36

1D

38

39

E0 38

E0 1D

45

47

4B

4F

48

4C

50

52

37

49

Break Code

AD

AE

AF

B0

B1

B2

B3

B4

B5

B6

9D

B8

B9

E0 B8

E0 9D

C5

C7

CB

CF

C8

CC

D0

D2

B7

C9

Product Specification (V1.4) 07.10.2006

•9

(This specification is subject to change without further notice)

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