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RM-36
System Module
Pin
9
Row1
10
Row6
11
Row0
12
Col0
13
Row5
14
Row4
15
GND
16
Col3
Keyboard interface electrical characteristics
Description
Parameter
High-level
V
IH
input voltage
Low-level
V
IL
input voltage
High-level
V
OH
output
voltage
Low-level
V
OL
output
voltage
Display connector and interface connections
Issue 1
Signal
I/O
->
->
->
->
->
->
->
Min
0.65* V
DDS
-0.3
1.62
Figure 125 Display connector
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Engine connection
Helen3
Helen3
Helen3
Helen3
Helen3
Helen3
GND
Helen3
Typ
Max
V
0.3+ V
DDS
0
0.35* V
V
1.98
DDS
0
0.45
(VDDS = 1.8V)
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Kbr_1
Kbr_6
Kbr_0
Kbc_0
Kbr_5
Kbr_4
Kbc_3
Unit
V
DDS
V
DDS
V
V
Notes
Voice switch
connection
Notes
Row
Row
Column
Column
Page 9–39
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