Figure 34 MicroUSB connector
User interface
Display interface
The following block diagram illustrates the display interface. Command signals and transmitted data to the
display module comes directly from RAPU.
Display backlight is provided by an external LED driver.
Figure 35 Display interface
Keyboard interface
Table 10 Key signal matrix
KEY_COL
KEY_ROW
<0>
<1>
<2>
<3>
<4>
<5>
<6>
<7>
<8>
<0>
FN
Shift
Chr
Space
N
Vol +
Space
&
<1>
Z
X
C
V
B
Vol -
M
, ;
<2>
A
S
D
F
G
H
J
K
<3>
Q
W
E
R
T
Y
U
I
<4>
? !
CTRL
Left
Select
Right
Down
S60-L
<5>
. :
Return Soft-
Left
Up
Soft-
Right
S60-R
Send
<6>
L
BS
<7>
O
P
<8>
RM-632; RM-634; RM-699
System Module
Page 5 – 14
COMPANY CONFIDENTIAL
Issue 3
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