User Guide

Back-up battery interface connections and electrical characteristics....................................................................9–46
RF description................................................................................................................................................................................9–46
Introduction to receiver functionality..............................................................................................................................9–46
WCDMA receiver.......................................................................................................................................................................9–47
GSM receiver.............................................................................................................................................................................9–47
Introduction to transmitter functionality.......................................................................................................................9–48
WCDMA transmitter................................................................................................................................................................9–48
GSM transmitter.......................................................................................................................................................................9–49
Frequency synthesizers.........................................................................................................................................................9–52
Regulators.................................................................................................................................................................................9–53
Frequency mappings...................................................................................................................................................................9–55
EGSM900 frequencies.............................................................................................................................................................9–55
GSM1800 frequencies............................................................................................................................................................9–56
GSM1900 frequencies............................................................................................................................................................9–57
WCDMA Rx frequencies..........................................................................................................................................................9–58
WCDMA Tx frequencies..........................................................................................................................................................9–59
List of Tables
Table 16 Keymatrix......................................................................................................................................................................9–23
Table 17 ALS resistor values......................................................................................................................................................9–25
Table 18 Audio connector pin assignments.........................................................................................................................9–30
Table 19 Charging interface connections..............................................................................................................................9–35
Table 20 Charging IF electrical characteristics....................................................................................................................9–36
Table 21 Battery interface connections.................................................................................................................................9–36
Table 22 Battery IF electrical characteristics........................................................................................................................9–36
Table 23 User interface connections......................................................................................................................................9–37
Table 24 Interface signals between RM-42 BB and Toshiba camera DSP...................................................................9–41
Table 25 Interface signals between Toshiba camera DSP and Unagi 2Mpix AF camera module........................9–41
Table 26 Unagi Camera CCP IF electrical characteristics...................................................................................................9–42
Table 27 Unagi Camera supply voltage characteristics....................................................................................................9–43
Table 28 Unagi Camera control IF electrical characteristics............................................................................................9–43
Table 29 Camera DSP supply voltage characteristics........................................................................................................9–44
Table 30 Camera DSP control IF electrical characteristics................................................................................................9–44
Table 31 Camera DSP CCP IF electrical characteristics.......................................................................................................9–45
Table 32 Camera system regulators IF electrical characteristics...................................................................................9–46
Table 33 Back-up battery connections...................................................................................................................................9–46
Table 34 Back-up battery electrical characteristics...........................................................................................................9–46
List of Figures
Figure 96 Internal and external connections diagram.......................................................................................................9–8
Figure 97 Functional block diagram.........................................................................................................................................9–9
Figure 98 Helen3 high level block diagram............................................................................................................................9–9
Figure 99 State diagram.............................................................................................................................................................9–12
Figure 100 Power distribution diagram................................................................................................................................9–14
Figure 101 System start-up timing.........................................................................................................................................9–16
Figure 102 Clocking scheme......................................................................................................................................................9–17
Figure 103 Reduced size MMC...................................................................................................................................................9–18
Figure 104 MMC interface...........................................................................................................................................................9–18
Figure 105 Battery pin order.....................................................................................................................................................9–19
Figure 106 Block diagram of camera system.......................................................................................................................9–20
RM-42
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