User Guide

Nokia Customer Care System Module and User Interface
NPL-4/5
Issue 1 05/04 Copyright © 2004 Nokia Corporation. All rights reserved. Page 55
MagIC ASIC – UEME interface
Table 25: MagIC - UEME interface
MagIC ASIC – UPP - External power supply interface
Table 26: External power supply interface
B4 CbusEnX Digital
Input
CBUSENX UPP - UEME – MagIC
bidirectional bus
CBUS enable
Pad
MagIC
Pin Name
MagIC
Pin Type
UEME
Pin Name
Connection Function
A6 ClrX Digital
Input
PURX General reset generated by UEME Main reset
A3 DVdd Power
supply
VIO Digital power supply / voltage reference Positive Digital Power
supply (1.8V)
C2 DVss Digital
ground
GND Ground level Negative Digital Power
supply
Pad Pin Name Pin Type
Regulator
Pin Name
Connection Function
VBAT Battery
supply
Input Battery supply
F8 Avdd
(MagIC)
Power
supply
Output Analog power supply for compass, FM-
radio and camera
Positive Analog Power
supply (2.8V)
GenIO01
(UPP)
Power
supply
SD Used as control signal On/ off (shutdown)
control of external
power supply
E8 Avss
(MagIC)
Analog
ground
GND Ground level Negative Analog
Power supply