Nokia RM-484 - Table of Contents

Table of Contents
Introduction............................................................................................................................................................8–7
Phone description .............................................................................................................................................8–7
Energy management..............................................................................................................................................8–9
Battery and charging ........................................................................................................................................8–9
Backup battery...................................................................................................................................................8–9
Normal and extreme voltages ...................................................................................................................... 8–10
Power key and system power-up................................................................................................................. 8–10
Power distribution......................................................................................................................................... 8–11
Clocking scheme............................................................................................................................................. 8–12
Magnetometer ..................................................................................................................................................... 8–13
Bluetooth and FM RDS radio module................................................................................................................. 8–13
GPS module .......................................................................................................................................................... 8–14
WLAN module ...................................................................................................................................................... 8–15
FM transmitter module....................................................................................................................................... 8–15
High-speed USB.................................................................................................................................................... 8–15
CBUS interface...................................................................................................................................................... 8–16
FBUS interface...................................................................................................................................................... 8–16
ECI interface ......................................................................................................................................................... 8–16
USB charger interface.......................................................................................................................................... 8–16
SIM interface ........................................................................................................................................................ 8–17
MicroSD card interface ........................................................................................................................................ 8–18
Camera concept ................................................................................................................................................... 8–18
Camera concept.............................................................................................................................................. 8–18
User interface....................................................................................................................................................... 8–19
UI/slide module .............................................................................................................................................. 8–19
Display module............................................................................................................................................... 8–20
I/O expanders and keyboards ....................................................................................................................... 8–21
Illumination .................................................................................................................................................... 8–22
ASICs...................................................................................................................................................................... 8–24
RAPIDOYAWE .................................................................................................................................................. 8–24
EM ASIC BETTY N2300 ..................................................................................................................................... 8–24
EM ASIC VILMA N2200 ..................................................................................................................................... 8–24
Device memories................................................................................................................................................. 8–25
Combo memory .............................................................................................................................................. 8–25
Audio concept...................................................................................................................................................... 8–25
Audio HW architecture................................................................................................................................... 8–25
Internal microphone...................................................................................................................................... 8–26
Internal earpiece............................................................................................................................................ 8–26
Internal speakers............................................................................................................................................ 8–27
Vibra circuitry ................................................................................................................................................. 8–27
Accessory AV connector ................................................................................................................................. 8–28
External earpiece and microphone .............................................................................................................. 8–29
Baseband technical specifications..................................................................................................................... 8–30
External interfaces ......................................................................................................................................... 8–30
SIM IF connections.......................................................................................................................................... 8–30
Charger connector and charging interface connections & electrical characteristics .............................. 8–30
Internal interfaces.......................................................................................................................................... 8–31
Back-up battery interface electrical characteristics.................................................................................... 8–31
RF technical description...................................................................................................................................... 8–32
RF block diagram............................................................................................................................................ 8–32
RM-484; RM-485; RM-486
System Module and User Interface
Issue 1 COMPANY CONFIDENTIAL Page 8 –3
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