Nokia NPL-4 Series Manual page 47

Nokia Customer Care
• offset strap
MagIC ASIC
• A/D converter input interface and for magnetometer sensors
• Control for Set/Reset circuitry
• CBUS interface for UPP
• System clock from GenIO3
• Main reset from UEME (PURX)
• Control of offset strap (RegCtrl)
UPP
• MCU SW controls for compass function
• GenIO3System clock generator, MCUclock /2 = 13MHz
• CBUS master for MagIC
• Controls external voltage source (VANA_EXT) GenIO1
UEME
• Voltage supply (VIO, 1.8V) for MagIC, digital logic supply voltage and reference
• Controls main reset, PURX
VANA_EXT, analog (external) power supply,
• 2.8V for MagIC analog parts
• Controlled via GenIO01
• Common with camera and FM/Radio function
Copyright © 2005 Nokia Corporation. All rights reserved.
Issue 2 05/05
-self test capability for magnetometer
-used for production testing
-Differential inputs
-40 dB amplifier for signal
-Positive and negative pulses for S/R strap
-MagIC have dedicated address
-Common with camera function
System Module and User Interface
NPL-4/5/
Page 47