Table of Contents
Introduction........................................................................................................................................................... 5–5
Phone description ............................................................................................................................................ 5–5
Energy management............................................................................................................................................. 5–7
Battery and charging ....................................................................................................................................... 5–7
Normal and extreme voltages ........................................................................................................................ 5–8
Power key and system power-up................................................................................................................... 5–9
Modes of operation.......................................................................................................................................... 5–9
Clocking scheme............................................................................................................................................... 5–9
Power distibution ......................................................................................................................................... 5–11
SIM interface ....................................................................................................................................................... 5–12
MicroSD card interface ....................................................................................................................................... 5–12
USB....................................................................................................................................................................... 5–13
USB interface.................................................................................................................................................. 5–13
MicroUSB connector ...................................................................................................................................... 5–13
User interface...................................................................................................................................................... 5–14
Display interface............................................................................................................................................ 5–14
Keyboard interface........................................................................................................................................ 5–14
Ambient light sensor (ALS) interface........................................................................................................... 5–15
GPS interface....................................................................................................................................................... 5–15
Audio interface ................................................................................................................................................... 5–16
AV connector....................................................................................................................................................... 5–17
Bluetooth interface ............................................................................................................................................ 5–17
FM radio interface............................................................................................................................................... 5–18
RF description ..................................................................................................................................................... 5–18
Receiver (RX).................................................................................................................................................. 5–18
Transmitter (TX) ............................................................................................................................................ 5–19
List of Tables
Table 9 Nominal voltages..................................................................................................................................... 5–8
Table 10 Key signal matrix ................................................................................................................................ 5–14
List of Figures
Figure 27 Battery pin order.................................................................................................................................. 5–7
Figure 28 Blade battery connector ...................................................................................................................... 5–8
Figure 29 Small (right) and wide (left) charger plugs ....................................................................................... 5–8
Figure 30 Power distribution diagram ............................................................................................................ 5–11
Figure 31 SIM interface ...................................................................................................................................... 5–12
Figure 32 MicroSD card interface ...................................................................................................................... 5–12
Figure 33 USB interface...................................................................................................................................... 5–13
Figure 34 MicroUSB connector .......................................................................................................................... 5–14
Figure 35 Display interface................................................................................................................................ 5–14
Figure 36 Keyboard interface............................................................................................................................ 5–15
Figure 37 Ambient light sensor (ALS) interface............................................................................................... 5–15
Figure 38 GPS interface...................................................................................................................................... 5–16
Figure 39 Audio interface.................................................................................................................................. 5–16
Figure 40 AV connector...................................................................................................................................... 5–17
Figure 41 Bluetooth interface........................................................................................................................... 5–17
Figure 42 FM radio interface ............................................................................................................................. 5–18
RM-632; RM-634; RM-699
System Module
Issue 3 COMPANY CONFIDENTIAL Page 5 – 3
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