Figure 23 USB interface
The phone supports USB 2.0 with High-Speed (480 Mbps).
Hot swap is supported, which means that USB devices may be plugged in and out at any time.
MicroUSB connector
This phone is provided with a specific connector for microUSB.
Figure 24 MicroUSB connector
Charger interface
The charger interface is a 2 mm Dynamo charger plug. Older chargers with a 3.5 mm plug are supported via
the charger adapter cable CA-44.
Charging is controlled by Dynamo charging SMPS circuit. EM ASIC is used only for waking up the system when
the charger is connected.
RM-750
System Module
Page 6 – 18 COMPANY CONFIDENTIAL Issue 1
Copyright © 2011 Nokia. All rights reserved.
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