Figure 72 Digital Ambient light sensor schematics
ASICs
RAPIDOYAWE
RAPIDOYAWE ASIC (D2800) is a die-stacked Processor (RAPIDO) with 3G HDSPA logic (YAWE). RAM memory is
integrated into RAPIDO.
EM ASIC N2300 (Betty)
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 driver for backlights
•
Digital interface (CBUS)
EM ASIC N2200 (Avilma)
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
•
SIM card interface
•
Stereo audio codecs and amplifiers
RM-356
System Module and User Interface
Page 6 –28 COMPANY CONFIDENTIAL Issue 1
Copyright © 2008 Nokia. All rights reserved.
To Next Page
Loading...
