User Interface; Display Interface; Keyboard Interface - Nokia RM-627 Service Manual

RM-627
System Module

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>
Issue 1
Figure 36 MicroUSB connector
Figure 37 Display interface
Table 11 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
<7> <8>
&
, ;
K
I
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