Nokia NPL-4 Series Manual page 4

NPL-4/5/RM-104
System Module and User Interface
Tilt (s)...................................................................................................................... 45
HW Block Diagram ..................................................................................................... 46
HW block functions ...................................................................................................46
Magnetometer Sensor .................................................................................................. 48
Main features .............................................................................................................48
Block diagram ............................................................................................................49
Magnetometer control interface .................................................................................49
Pin Assignment ....................................................................................................... 49
Test Circuitry ............................................................................................................... 51
MagIC ASIC ........................................................................................................... 51
Main features .............................................................................................................52
Block diagram and functional descriptions ...............................................................52
MagIC control interface .............................................................................................53
Pin assignment......................................................................................................... 53
MagIC ASIC interface - Magnetometer sensor....................................................... 53
MagIC ASIC - UPP interface ................................................................................. 54
MagIC ASIC - UEME interface ............................................................................. 55
MagIC ASIC - UPP - External power supply interface.......................................... 55
MagIC - magnetometer sensor interface for constant current driver ...................... 56
Power supplies ...........................................................................................................56
Introduction ............................................................................................................. 56
Using VIO for DVDD supply ................................................................................. 56
Using external regulator for AVDD........................................................................ 56
Compass and phone basics ........................................................................................57
Phone directions .........................................................................................................57
General description ....................................................................................................58
Operation modes ..................................................................................................... 58
Compass function main features ................................................................................58
Compass display menu............................................................................................ 58
Compass display results .......................................................................................... 58
Compass calibration SW ............................................................................................59
User assisted calibration.......................................................................................... 59
Compass declination menu ........................................................................................59
Testpoints ..................................................................................................................... 60
Set/Reset ....................................................................................................................60
VBRIDGE ..................................................................................................................60
Channel output A .......................................................................................................60
Channel output B .......................................................................................................60
Service Software Interface (Phoenix) .......................................................................... 61
Manual calibration ................................................................................................61
Performance ................................................................................................................. 62
Calibration basics .......................................................................................................62
Calibration process flow ............................................................................................63
Compass digital values, limit values .........................................................................63
Clock distribution ......................................................................................................65
User Interface ............................................................................................................... 66
Display .......................................................................................................................66
UI Board ....................................................................................................................67
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Issue 2 05/05