User Interface; Display Interface; Keyboard Interface - Nokia RM-632 Service Manual

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.

Keyboard interface

KEY_COL <0>
KEY_ROW
<0> FN
<1> Z
<2> A
<3> Q
<4> ? !
<5> . :
<6> L
<7> O
<8>
Page 5 – 14
Figure 34 MicroUSB connector
Figure 35 Display interface
Table 10 Key signal matrix
<1> <2> <3>
Shift Chr Space
X C V
S D F
W E R
CTRL Left Select
Return Soft- Up
Left
BS
P
COMPANY CONFIDENTIAL
Copyright © 2010 Nokia. All rights reserved.
<4> <5> <6>
N Vol + Space
B Vol - M
G H J
T Y U
Right Down S60-L
Soft- S60-R Send
Right
RM-632; RM-634; RM-699
System Module
<7> <8>
&
, ;
K
I
Issue 3