User Guide

Table 21 Flash LED interface electrical characteristics .....................................................................................................1–50
Table 22 Back-up battery connections...................................................................................................................................1–50
Table 23 Back-up battery electrical characteristics...........................................................................................................1–50
List of Figures
Figure 1 System level block diagram........................................................................................................................................1–7
Figure 2 Functional block diagram............................................................................................................................................1–8
Figure 3 OMAP1710 high level block diagram.......................................................................................................................1–9
Figure 4 State diagram...............................................................................................................................................................1–12
Figure 5 Power distribution diagram.....................................................................................................................................1–14
Figure 6 System start-up timing..............................................................................................................................................1–16
Figure 7 Clocking scheme...........................................................................................................................................................1–17
Figure 8 SIM interface..................................................................................................................................................................1–18
Figure 9 MMC interface................................................................................................................................................................1–18
Figure 10 Battery pin order.......................................................................................................................................................1–19
Figure 11 Block diagram of the back camera module......................................................................................................1–20
Figure 12 Camera module cross section and assembly principle..................................................................................1–21
Figure 13 Camera module bottom view including serial numbering..........................................................................1–21
Figure 14 Slider switch connection.........................................................................................................................................1–23
Figure 15 Simplified flash LED connection............................................................................................................................1–24
Figure 16 Front camera connections......................................................................................................................................1–25
Figure 17 General diagram of the LCD module...................................................................................................................1–25
Figure 18 Keyboard layout.........................................................................................................................................................1–28
Figure 19 ALS HW implementation.........................................................................................................................................1–29
Figure 20 Audio block diagram................................................................................................................................................1–32
Figure 21 Internal microphone circuitry...............................................................................................................................1–32
Figure 22 External microphone circuitry (Pop-Port connects to the right side).......................................................1–33
Figure 23 Internal earpiece circuitry......................................................................................................................................1–33
Figure 24 Internal speaker circuitry........................................................................................................................................1–34
Figure 25 External earpiece circuitry (Pop-Port connected on the right)...................................................................1–34
Figure 26 Vibra circuitry.............................................................................................................................................................1–35
Figure 27 External audio connector........................................................................................................................................1–35
Figure 28 Charger connector.....................................................................................................................................................1–40
Figure 29 Battery connector......................................................................................................................................................1–41
Figure 30 UI connector................................................................................................................................................................1–42
Figure 31 Display connector......................................................................................................................................................1–44
Figure 32 WCDMA transmitter...................................................................................................................................................1–52
Figure 33 Block diagram of DCDC converter and WCDMA PA...........................................................................................1–53
Figure 34 GSM transmitter.........................................................................................................................................................1–54
Figure 35 GSM/EDGE power control topology and control signals................................................................................1–55
Figure 36 Power control signal usage in GSM (GMSK) and EDGE (8PSK) transmission............................................1–55
Figure 37 Phase locked loop in N7500 and N7501 (PLL)..................................................................................................1–56
Figure 38 RF supply connections from the BB mixed mode ASIC..................................................................................1–57
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