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RM-272; RM-273
System module
Figure 30 Old (left) and new (right) charger plugs
Charging is controlled by energy management, and external components are needed to protect the baseband
module against EMC, reverse polarity and transient frequency deviation.
Interfaces
FM radio
This phone uses a single-chip electronically tuned FM stereo radio with low voltage application.
Figure 31 FM radio interface
Camera
Camera interface
The RM-272/273 has a 2.0 Megapixel camera, supported by a hardware accelerator.
Issue 1
COMPANY CONFIDENTIAL
Page 5 –11
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