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µSD card interface
The µSD card is connected to the engine by an external level shifter. Supplied voltages:
• VMMC: 2.85 V (from level shifter)
• VIO: 1.8 V (from AVILMA)
The card removal is detected by a push detect switch.
Hot swap is supported, which means that the card may be plugged in/out at any time, without removing the
battery.
Camera concept
This phone has two cameras:
• A main 2.0 megapixel camera with 8x zoom and a LED flash.
• A secondary VGA camera used for video calls.
Both cameras are supported by a hardware accelerator (HWA), which also handles the main camera flash
function (LED flash diode).
User interface
Display module
The interconnection between the LCD module and the engine is implemented with a 24-pin board-to-board
connector.
The LCD module does not require any tuning in service.
Backlight and illumination
The display has no separate backlight, it is included in the display module.
The keypad, placed on the main board, is top lit by 7 LEDs.
Page 5 –12
Figure 26 µSD card interface
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RM-364
System Module Description
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