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
Figure 69 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.
RM-484; RM-485; RM-486
System Module and User Interface
Page 8 –18 COMPANY CONFIDENTIAL Issue 1
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