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 15 MicroUSB connector
User interface
Display interface
The following block diagram illustrates the display interface. Command signals and transmitted data to the
display module comes directly from RAPU.
Figure 16 Display interface
Keyboard interface
All keys (main keyboard, messaging, volume, lock keys) are directly connected to GENIOs of the RAPU.
The main keypad LEDs are controlled by the EM ASIC.
RM-781
System Module
Issue 1 COMPANY CONFIDENTIAL Page 5 – 11
Copyright © 2011 Nokia. All rights reserved.
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