User Guide

Table of Contents
System module block diagram..................................................................................................................................................9–5
Functional description..................................................................................................................................................................9–5
BB description.................................................................................................................................................................................9–6
Modes of operation.......................................................................................................................................................................9–6
Clocking scheme.............................................................................................................................................................................9–7
Power distribution, control and watchdogs.........................................................................................................................9–9
Back-up battery and real time clock......................................................................................................................................9–10
Baseband measurement A/D converter...............................................................................................................................9–10
ZOCUS...............................................................................................................................................................................................9–10
BB user interface..........................................................................................................................................................................9–11
Bluetooth........................................................................................................................................................................................9–11
USB...................................................................................................................................................................................................9–11
SIM interface..................................................................................................................................................................................9–11
IrDA interface................................................................................................................................................................................9–11
MMC interface................................................................................................................................................................................9–11
Pop-PortTM....................................................................................................................................................................................9–11
Audio concept...............................................................................................................................................................................9–13
Camera interface..........................................................................................................................................................................9–14
FM radio..........................................................................................................................................................................................9–15
Flashing...........................................................................................................................................................................................9–15
ACI/BSI implementation............................................................................................................................................................9–15
Battery voltages...........................................................................................................................................................................9–15
RF description...............................................................................................................................................................................9–15
List of Tables
Table 12 System connector interface description..............................................................................................................9–12
List of Figures
Figure 171 Module block diagram.............................................................................................................................................9–5
Figure 172 The clocking scheme................................................................................................................................................9–8
Figure 173 PopPort™ bottom connector (charger plug socket & PopPort™ system connector..........................9–12
Figure 174 Audio blocks.............................................................................................................................................................9–13
RM-51
System module and user interface Nokia Customer Care
9238460 (Issue 1) Company Confidential Page 9–3
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