User Guide

User interface

Display interface

Display module mechanical concept

Figure 73 LCD module

Display features:

• QVGA resolution, 320x240

• Active area is x mm x y mm, 2.0"

• Partial display function Power saving by pausing display process on part of the screen.

• Built-in RAM capacity 320rows×240lines×18bit

Display is controlled via MeSSi interface by RAPGSM. All MeSSi signals are going through the EMC filtering ASIPs.

Logic power supply (1.65V-1.95V) is connected to VIO and driver power supply (2.3V – 2.9V) is connected to

VAUX.

Keyboard

The device keyboard consists of 18 separate keys and four side keys.

The keymatrix has six rows and four columns. The voice key on the main PWB and the navigation key are

connected to the same keymatrix.

RM-170; RM-171

System Module Nokia Customer Care

Issue 1 COMPANY CONFIDENTIAL Page 9 –17