User Guide
Figure 95 EL driver
ASICs
RAP3GS ASIC
RAP3GS ASIC is a 3G Radio Application Processor.
Application engine processor
OMAP1710SS (speed sorted version) is application engine processor.
EM ASIC 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
• SIM card interface
• Stereo audio codecs and amplifiers
• A/D converter
• Regulators
• Digital interface (CBUS)
EM ASIC 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 driver for display backlights
• Digital interface (CBUS)
RM-100
System Module Nokia Customer Care
Issue 2 COMPANY CONFIDENTIAL Page 10 –21
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