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The EM ASIC SIM1 interface supports both 1.8 V and 3.0 V SIM cards. The SIM interface voltage is first 1.8 V
when the SIM card is inserted, and if the card does not response to the ATR a 3 V interface voltage is used.
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 DM-510 Camera accelerator which is used for image and video processing. DM-510
uses 64 Mbit discrete SDRAM. The camera module includes 8 MPix main camera, CIF+ secondary camera, Flash
LED and TPS61052 LED driver which are connected to DM-510.
Page 8 –18
Figure 69 MicroSD card interface
COMPANY CONFIDENTIAL
Copyright © 2009 Nokia. All rights reserved.
RM-484; RM-485; RM-486
System Module and User Interface
Issue 1
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