User Guide

Table of Contents
System module block diagram .............................................................................................................................6–5
Baseband description ............................................................................................................................................6–6
Functional description......................................................................................................................................6–6
UPP .....................................................................................................................................................................6–6
Memory ..............................................................................................................................................................6–6
UEMCLite .............................................................................................................................................................6–6
External regulators............................................................................................................................................6–6
Energy management.........................................................................................................................................6–7
Modes of operation...........................................................................................................................................6–8
Voltage limits.....................................................................................................................................................6–8
Audio function description...............................................................................................................................6–8
External audio connector .................................................................................................................................6–9
Interfaces ............................................................................................................................................................. 6–10
RF and baseband interfaces .......................................................................................................................... 6–10
Analogue Signals............................................................................................................................................ 6–13
LCD interface ................................................................................................................................................... 6–14
Keyboard ......................................................................................................................................................... 6–14
SIM interface ................................................................................................................................................... 6–15
External signals and connections ................................................................................................................. 6–17
Battery connector........................................................................................................................................... 6–17
Battery interface............................................................................................................................................. 6–18
PWB outline .................................................................................................................................................... 6–19
RF description ...................................................................................................................................................... 6–19
Frequency band, power and multi-slot class............................................................................................... 6–19
Transmitter - general description ................................................................................................................ 6–20
Transmitter - signal processing.................................................................................................................... 6–20
Receiver - general description ...................................................................................................................... 6–20
VCXO and PLL................................................................................................................................................... 6–21
List of Tables
Table 8 Voltage limits ............................................................................................................................................6–8
Table 9 Connector for External Audio Accessories ........................................................................................... 6–10
Table 10 AC and DC Characteristics of BB4.0 LiteV2 RF-Base band Digital Signals........................................ 6–10
Table 11 AC and DC Characteristics of RF-Base band Analogue Signals ......................................................... 6–13
Table 12 SIM interface......................................................................................................................................... 6–16
Table 13 System connector ................................................................................................................................ 6–17
Table 14 Battery IF .............................................................................................................................................. 6–17
Table 15 Pin numbering of battery pack .......................................................................................................... 6–18
Table 16 Frequency bands and TX power class................................................................................................ 6–19
Table 17 Multi-slot class ..................................................................................................................................... 6–19
List of Figures
Figure 103 Module block diagram........................................................................................................................6–5
Figure 104 Power connection diagram................................................................................................................6–7
Figure 105 SIM filtering .........................................................................................................................................6–7
Figure 106 Audio block diagram...........................................................................................................................6–9
Figure 107 4-pole jack plug for audio accessory.............................................................................................. 6–10
Figure 108 Keyboard schematics....................................................................................................................... 6–15
RM-394; RM-395; RH-118
System Module
Issue 1 COMPANY CONFIDENTIAL Page 6 –3
Copyright © 2008 Nokia. All rights reserved.