Camera concept
Camera interface
The camera module is a EDOF 3.2 Mpix. The camera is connected directly to the baseband, no hardware
accelerator is used. Processing of the image is done by phone processor using NIPS (Nokia Imaging Perfection
System) algorithms.
The CCI-bus (Camera Command Interface) is an I2C-compatible interface that is used bidirectional to transfer
commands from BB to the camera and to get information of the camera register settings from the camera
to BB.
The CCP-bus (Compact Camera Port) is a unidirectional interface that is used to transfer the image data from
the camera to BB. It is a high speed differential interface. The camera is equipped with CCP class2 interface,
i.e. up to 650 Mbit/s. The device baseband supports CCP class0 (specified up to 208 MHz) but limits the
frequency to 160 MHz. So clock/data-signaling is used in the device.
Figure 38 Camera concept
Audio concept
Audio concept
The functional core of the audio hardware is built around two ASICs; Energy management ASIC N2200 and
digital ASIC D2800.
N2200 provides an interface for the transducers and the AV connector.
There are three audio transducers:
•
one earpiece
•
one IHF speaker
•
one Clapton microphone
N2200 also provides an output for the vibra motor.
All external audio accessories are connected to the specific AV connector.
The following block diagram illustrates the audio interface of the phone:
RM-598; RM-604
System Module
Issue 1
COMPANY CONFIDENTIAL
Page 5 –17
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