ht82k628a Holtek Semiconductor Inc., ht82k628a Datasheet - Page 6

• Manufacturer Part Number: ht82k628a
• Description: Ht82k628a -- Windows 2000 Ps/2 Keyboard Encoder
• Manufacturer: Holtek Semiconductor Inc.

Data Stream
Note:
Key Code Set 1
Rev. 1.60
*29
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
The parity bit is either 1 or 0, and the 8 data bits, plus the parity bit, always have an odd number of 1 s.
Key Number
and Symbol
@
%
Back Space
~
#
$
&
_
+
^
*
!
(
)
{
}
Tab
W
Q
E
R
Y
U
O
P
T
I
1
2
3
4
5
6
7
8
9
0
=
-
[
]
\
'
b10:
b11:
B1:
B2:
b3:
b4:
b5:
b7:
b8:
b9:
B6
Make/Break Code
56 7D/D6 FD
0A/8A
0B/8B
0C/8C
0D/8D
0E/8E
1A/9A
1B/9B
2B/AB
29/A9
0F/8F
02/82
03/83
04/84
05/85
06/86
07/87
08/88
09/89
10/90
11/91
12/92
13/93
14/94
15/95
16/96
17/97
18/98
19/99
Mode 1,2,3
6
100
101
102
103
104
105
47
48
49
50
51
52
53
54
55
57
58
60
61
62
64
90
91
92
93
96
97
98
99
Key Number
and Symbol
<
>
?
7
4
1
8
2
0
9
6
3
.
Num Lock
Shift (R)
Ctrl (R)
Ctrl (L)
Space
Alt (R)
Alt (L)
C
N
M
X
V
B
5
*
-
Home
PgUp
PgDn
End
Del
Ins
data bit 0
data bit 1
data bit 2
data bit 3
data bit 4
data bit 5
data bit 6
data bit 7
(odd par)
always 0
always 1
parity bit
start bit
stop bit
,
.
/
Make/Break Code
E0 1D/E0 9D
E0 38/E0 B8
HT82K628A
4C/CC
4D/CD
2D/AD
2E/AE
1D/9D
4B/CB
4A/CA
2F/AF
45/C5
47/C7
4F/CF
48/C8
50/D0
52/D2
49/C9
51/D1
53/D3
30/B0
31/B1
32/B2
33/B3
34/B4
35/B5
36/B6
38/B8
39/B9
37/B7
April 16, 2004