µSD card interface
The µSD card is connected to the engine by an external level shifter. Supplied voltages:
• VSD: 2.85 V (from level shifter)
• VIO: 1.8 V (from AVILMA)
Camera
The main camera uses a VGA camera module. It has a dedicated capture key.
User interface
Display module
This phone has two displays; one main display and one small display. It does not require any tuning in service.
The interconnection between the LCD module and the engine is implemented with a 24-pin board-to-board
connector.
Keyboard and other keys
Most keys are placed on the main board;
• Numeric keys
• Soft keys L/R
• Navigation keys (4) with Select in the centre
RM-257; RM-270; RM-277
System Module
Issue 1
COMPANY CONFIDENTIAL
Page 5 –13
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