User Guide

Frequency mappings........................................................................................................................................... 8–26
GSM850 frequencies....................................................................................................................................... 8–26
EGSM900 frequencies..................................................................................................................................... 8–26
GSM1800 frequencies..................................................................................................................................... 8–27
GSM1900 frequencies..................................................................................................................................... 8–29
WCDMA 2100 Rx frequencies......................................................................................................................... 8–30
WCDMA 2100 Tx frequencies ......................................................................................................................... 8–31
WCDMA VIII (900) frequencies....................................................................................................................... 8–32
List of Tables
Table 15 Nominal voltages....................................................................................................................................8–7
Table 16 AV connector pins................................................................................................................................ 8–12
Table 17 Charging interface connections ......................................................................................................... 8–24
Table 18 Charging IF electrical characteristics ................................................................................................. 8–24
Table 19 Back-up battery electrical characteristics ......................................................................................... 8–24
List of Figures
Figure 50 Power distribution................................................................................................................................8–8
Figure 51 Clocking scheme....................................................................................................................................8–9
Figure 52 Bluetooth & FM radio block diagram ............................................................................................... 8–10
Figure 53 GPS module......................................................................................................................................... 8–11
Figure 54 WLAN module ..................................................................................................................................... 8–11
Figure 55 FM transmitter.................................................................................................................................... 8–11
Figure 56 TV out block diagram......................................................................................................................... 8–12
Figure 57 SIM interface ....................................................................................................................................... 8–14
Figure 58 MicroSD card interface ....................................................................................................................... 8–14
Figure 59 Camera block diagram....................................................................................................................... 8–15
Figure 60 Key matrix........................................................................................................................................... 8–16
Figure 61 I/O expander and keyboard matrix.................................................................................................. 8–17
Figure 62 Display module................................................................................................................................... 8–17
Figure 63 Lighting areas..................................................................................................................................... 8–18
Figure 64 Display and key backlighting control............................................................................................... 8–18
Figure 65 Ambient Light Sensor ........................................................................................................................ 8–19
Figure 66 Audio system block ............................................................................................................................ 8–20
Figure 67 Internal microphone.......................................................................................................................... 8–21
Figure 68 Internal earpiece circuitry................................................................................................................. 8–21
Figure 69 Internal speakers................................................................................................................................ 8–21
Figure 70 Vibra circuitry ..................................................................................................................................... 8–22
Figure 71 Accessory (AV) connector with DAC33 and TPA6130 audio enhancements ................................. 8–22
Figure 72 Charger connector.............................................................................................................................. 8–23
RM-348; RM-349; RM-350
System Module and User Interface
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