27963 Parallax Inc, 27963 Datasheet - Page 11

• Manufacturer Part Number: 27963
• Description: SOLUTIONS CUBED: MEMKEY
• Manufacturer: Parallax Inc

Specifications of 27963

• Accessory Type: Keypad Encoder
• Product: Microcontroller Accessories
• For Use With/related Products: BASIC Stamp®
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Miniature Engineering Modules – MEMKey
PC/AT Default Settings
will work with no user intervention. The table below
shows the default values for the MEMKey.
PC/AT Key Look Up
protocol often do not fit into one byte, a look up table is
used to program which value needs to be sent for
each key press. The following table gives all of the
keys and their look up values for programming the
MEMKey. When reading these values out in the serial
mode, the MEMKey gives the look up value.
SOLUTIONS CUBED
530-891-8045
Item
Key 0
Key 1
Key 2
Key 3
Key 4
Key 5
Key 6
Key 7
Key 8
Key 9
Key 10
Key 11
Key 12
Key 13
Key 14
Key 15
Key 16
Key 17
Key 18
Key 19
Pin K0
Pin K1
Pin K2
Pin K3
Pin K4
Pin K5
Pin K6
Pin K7
Pin K8
Debounce Delay
Typematic Operation
Automatic Operation
The MEMKey is pre-configured at the factory so it
Default settings
Because the values sent for a key in the PC/AT
Value
‘00’H = A
‘01’H = B
‘02’H = C
‘03’H = D
‘04’H = E
‘05’H = F
‘06’H = G
‘07’H = H
‘08’H = I
‘09’H = J
‘0A’H = K
‘0B’H = L
‘0C’H = M
‘0D’H = N
‘0E’H = O
‘0F’H = P
‘10’H = Q
‘11’H = R
‘12’H = S
‘13’H = T
Row 0
Row 1
Row 2
Row 3
Column 0
Column 1
Column 2
Column 3
Row 4
10mS
On
On
Key
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
0)
1!
2@
3#
4$
5%
6^
7&
8*
9(
`~
-_
=+
[{
]}
\|
;:
‘”
,<
.>
/?
Escape
Backspace
Tab
Caps
Enter
Space
PC/AT key map
Look
Up
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Key
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
Insert
Delete
Home
End
Page Up
Page Dn
ß
0
1
2
3
4
5
6
7
8
9
.Del
+
-
*
/
Num Enter
Num Lock
Print Scrn
Scrl Lock
Pause
L Shift
R Shift
L Ctrl
R Ctrl
L Alt
R Alt
key a
key b
L Window
R Window
Menu
ß
Look
Up
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
10