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Nokia RM-484 - Asics; Rapidoyawe; Em Asic Betty N2300; Em Asic Vilma N2200

Nokia RM-484
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Figure 75 Light segments
ASICs
RAPIDOYAWE
RAPIDOYAWE ASIC (D2800) is a die-stacked Processor (RAPIDO) with 3G HDSPA logic (YAWE). RAM memory is
integrated into RAPIDO.
EM ASIC BETTY N2300
The EM ASIC (N2300) includes the following functional blocks:
•
Core supply generation
•
Charge control circuitry
•
Level shifter and regulator for USB/FBUS
•
Current gauge for battery current measuring
•
LED control for display backlighting
•
Digital interface (CBUS)
EM ASIC VILMA N2200
The EM ASIC (N2200) includes the following functional blocks:
•
Start up logic and reset control
•
Charger detection
•
Battery voltage monitoring
•
32.768kHz clock with external crystal
•
Real time clock with external backup battery
RM-484; RM-485; RM-486
System Module and User Interface
Page 8 –24 COMPANY CONFIDENTIAL Issue 1
Copyright © 2009 Nokia. All rights reserved.

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