Microsd Card Interface; Camera Concept - Nokia RM-235 Service Manual

MicroSD card interface

The MicroSD card is connected to the engine by an external level shifter with an ESD protection filter. Supplied
voltages:
• VSD: 2.85 V (from level shifter)
• VIO: 1.8 V (from VIO SMPS)
Hot swap is supported, which means that the card may be plugged in/out at any time, without removing the
battery.

Camera concept

Camera concept
The camera is supported by DM299 (N1400) Camera accelerator, which is used for image and video processing.
DM-299 uses 64Mbit discrete SDRAM. The camera module includes 3MPix main camera, CIF+ secondary camera,
Flash LED and TPS61052 LED driver which are connected to DM-299.
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System module and user interface
RM-235
Issue 1