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
Liteplus...............................................................................................................................................................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............................................................................................................................................ 6–12
LCD interface ................................................................................................................................................... 6–14
Keyboard ......................................................................................................................................................... 6–14
SIM interface ................................................................................................................................................... 6–15
External signals and connections ................................................................................................................. 6–16
Battery connector........................................................................................................................................... 6–17
Battery interface............................................................................................................................................. 6–17
PWB outline .................................................................................................................................................... 6–18
RF description ...................................................................................................................................................... 6–18
Frequency band, power and multi-slot class............................................................................................... 6–18
Transmitter - general description ................................................................................................................ 6–19
Transmitter - signal processing.................................................................................................................... 6–19
Receiver - general description ...................................................................................................................... 6–19
VCXO and PLL................................................................................................................................................... 6–20
Technical specifications...................................................................................................................................... 6–20
General specifications.................................................................................................................................... 6–20
Battery endurance.......................................................................................................................................... 6–21
Environmental conditions ............................................................................................................................. 6–21
Electrical characteristics ................................................................................................................................ 6–21
List of Tables
Table 6 Voltage limits ............................................................................................................................................6–8
Table 7 Connector for External Audio Accessories ........................................................................................... 6–10
Table 8 AC and DC Characteristics of BB4.0 LiteV2 RF-Base band Digital Signals .......................................... 6–10
Table 9 AC and DC Characteristics of RF-Base band Analogue Signals ........................................................... 6–12
Table 10 SIM interface......................................................................................................................................... 6–15
Table 11 System connector ................................................................................................................................ 6–16
Table 12 Battery IF .............................................................................................................................................. 6–17
Table 13 Pin numbering of battery pack .......................................................................................................... 6–17
Table 14 Frequency bands and TX power class................................................................................................ 6–19
Table 15 Multi-slot class ..................................................................................................................................... 6–19
Table 16 Normal and extreme voltages............................................................................................................ 6–21
Table 17 Current consumption........................................................................................................................... 6–22
RM-512; RM-513; RM-514; RM-515; RM-543
System Module
Issue 2 COMPANY CONFIDENTIAL Page 6 –3
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