User Guide

The device Bluetooth is based on BC4 ROM1.0RDL BT chip.
USB
USB (Universal Serial Bus) provides a wired connectivity between host PC and peripheral devices.
USB is a differential serial bus for USB devices. USB controller (RAP) supports USB specification revision 2.0
with full speed USB (12 Mbps). The device is connected to the USB host through the system connector. The
USB bus is hot plugged capable, which means that USB devices may be plugged in/out at any time.
MR sensor
MR sensor is used to monitor the position of the upper block in fold construction.
MR sensor detects the fold position. There is a magnet in fold mechanics under the display module and when
the fold is closed MR sensor is in magnetic field.
Figure 55 MR sensor connection
FM radio
The FM radio circuitry is implemented using a highly integrated radio TEA5760 N1C.
The antenna of the FM Radio is created with the headset. The wires of the headset are used as poles of the
antenna.
Camera
The device uses SMIA65 camera module. SMIA65 is 0.3Mpixel with sensor resolution of 656 x 496.
The camera is powered by using VIO(1.8V) and VAUX(2.78V) voltages from the engine board.
Backup battery
When the main battery is not attached EM ASIC (N2200) goes in backup mode using back-up battery that
supplies voltage to RTC in EM ASIC (N2200).
RM-198
System Module Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 8 –9
Copyright © 2006 Nokia. All rights reserved.