User Guide

SIM connections and electrical characteristics.............................................................................................9–31
Camera interface connections ......................................................................................................................9–32
Charger connector and charging interface connections & electrical characteristics...............................9–32
Battery connector and interface connections & electrical characteristics................................................9–33
Internal interfaces...........................................................................................................................................9–33
Keyboard interface electrical characteristics................................................................................................9–34
Back-up battery interface connections and electrical characteristics.......................................................9–34
RF description.......................................................................................................................................................9–34
Introduction to receiver functionality...........................................................................................................9–34
GSM receiver.....................................................................................................................................................9–34
Introduction to transmitter functionality.....................................................................................................9–35
GSM transmitter ..............................................................................................................................................9–35
GSM FEM (front end module)..........................................................................................................................9–36
Frequency synthesizers..................................................................................................................................9–37
Regulators........................................................................................................................................................9–37
Frequency mappings............................................................................................................................................9–38
GSM850 frequencies........................................................................................................................................9–38
EGSM900 frequencies......................................................................................................................................9–39
GSM1800 frequencies......................................................................................................................................9–40
GSM1900 frequencies......................................................................................................................................9–41
List of Tables
Table 12 MicroSD Interface..................................................................................................................................9–14
Table 13 Battery interface connections.............................................................................................................9–16
Table 14 Keyboard matrix...................................................................................................................................9–18
Table 15 RF-BB Voltage supplies and references, interface connections and electrical characteristics....
9–22
Table 16 Analog signals ......................................................................................................................................9–24
Table 17 System connector pin assignments....................................................................................................9–27
Table 18 SIM IF connections................................................................................................................................9–31
Table 19 SIM electrical characteristics................................................................................................................9–31
Table 20 Camera interface connections.............................................................................................................9–32
Table 21 Charging interface connections..........................................................................................................9–32
Table 22 Charging IF electrical characteristics..................................................................................................9–32
Table 23 Battery interface connections.............................................................................................................9–33
Table 24 Battery IF electrical characteristics.....................................................................................................9–33
Table 25 Back-up battery connections...............................................................................................................9–34
Table 26 Back-up battery electrical characteristics..........................................................................................9–34
List of Figures
Figure 67 RM-170/171 functional block diagram................................................................................................9–7
Figure 68 Power distribution diagram..............................................................................................................9–10
Figure 69 IR module block...................................................................................................................................9–13
Figure 70 IR module pin ordering......................................................................................................................9–13
Figure 71 MicroSD interface ...............................................................................................................................9–14
Figure 72 Battery pin order.................................................................................................................................9–16
Figure 73 LCD module..........................................................................................................................................9–17
Figure 74 Internal microphone circuitry............................................................................................................9–20
Figure 75 External microphone circuitry (Pop-Port connects to the right side)............................................9–21
Figure 76 Internal earpiece circuitry..................................................................................................................9–21
RM-170; RM-171
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