User Guide

Introduction to receiver functionality...........................................................................................................9–35
WCDMA receiver functionality........................................................................................................................9–35
GSM receiver functionality..............................................................................................................................9–35
Introduction to transmitter functionality.....................................................................................................9–36
WCDMA transmitter functionality..................................................................................................................9–36
GSM transmitter functionality........................................................................................................................9–36
Frequency synthesizers..................................................................................................................................9–37
Regulators........................................................................................................................................................9–37
Frequency mappings............................................................................................................................................9–38
EGSM900 frequencies......................................................................................................................................9–38
GSM1800 frequencies......................................................................................................................................9–39
GSM1900 frequencies......................................................................................................................................9–40
WCDMA 2100 Rx frequencies..........................................................................................................................9–41
WCDMA 2100 Tx frequencies..........................................................................................................................9–42
List of Tables
Table 12 Battery interface connections.............................................................................................................9–17
Table 13 Battery IF electrical characteristics.....................................................................................................9–18
Table 14 Test points.............................................................................................................................................9–19
Table 15 Flip keyboard interface signals...........................................................................................................9–21
Table 16 ALS resistor values................................................................................................................................9–23
Table 17 Audio connector pin assignments......................................................................................................9–28
Table 18 Charging interface connections..........................................................................................................9–31
Table 19 Charging IF electrical characteristics..................................................................................................9–31
Table 20 Display module electrical interface signals........................................................................................9–33
Table 21 Back-up battery connections...............................................................................................................9–35
Table 22 Back-up battery electrical characteristics..........................................................................................9–35
List of Figures
Figure 82 System level block diagram..................................................................................................................9–7
Figure 83 Functional block diagram.....................................................................................................................9–8
Figure 84 Power distribution diagram..............................................................................................................9–11
Figure 85 WLAN and BT block diagram..............................................................................................................9–13
Figure 86 Interconnections between the application processor, power ASIC and IR module.....................9–14
Figure 87 SIM interface........................................................................................................................................9–15
Figure 88 MiniSD interface block diagram.........................................................................................................9–15
Figure 89 MiniSD contact area and pin order....................................................................................................9–16
Figure 90 Battery pin order.................................................................................................................................9–17
Figure 91 Block diagram .....................................................................................................................................9–18
Figure 92 BT-WLAN coexistence framework......................................................................................................9–20
Figure 93 BT-WLAN system partitioning............................................................................................................9–20
Figure 94 ALS HW implementation.....................................................................................................................9–23
Figure 95 Audio block diagram...........................................................................................................................9–25
Figure 96 Internal microphone circuitry............................................................................................................9–26
Figure 97 External microphone circuitry (Pop-Port connects to the right side)............................................9–26
Figure 98 Internal earpiece circuitry..................................................................................................................9–26
Figure 99 Internal speaker circuitry...................................................................................................................9–27
Figure 100 External earpiece circuitry (system connector connected on the right).....................................9–27
Figure 101 Vibra circuitry....................................................................................................................................9–28
Figure 102 External audio connector.................................................................................................................9–28
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