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Product Technical Specification & Customer Design Guidelines

Interfaces

Page: 66 / 116

This document is the sole and exclusive property of WAVECOM. Not to be distributed or divulged without

prior written agreement.

WA_DEV_Q64_PTS_001-003 January 9, 2009

3.11.5.5 Audio Track and PCB Layout Recommendation

To avoid TDMA noise, it is recommended to surround the audio tracks by ground:

Figure 23: Audio track design

Remark:

Avoid digital tracks crossing under and over the audio tracks.

0.2mm min

Differential Audio line

Ground Ground

1mm

0.15mm max

1mm

Differential

Audio line

always in

parallel

Application

board

Ground

Plane

Q64

1 2 ... 62 63 64 65 66 67 68 69 70 71 72 ... 117 118

Q64 Wireless CPU 1
Document History 3
Overview 4
Table of Contents 5
Table of Figures 9
Trademarks 11
Copyright 11
No Warranty/No Liability 11
1 References 12
1.2 List of Abbreviations 13
2 General Description 16
2.2 Functional Description 18
2.3 Operating System 19
2.4 Software Description 19
3 Interfaces 21
3.2 Power Supply 22
Table 1 Power supply voltage 23
3.2.3 Power Supply Pin-out 23
3.3 Power Consumption 24
Processing 25
application 25
Application 26
3.5 I2C Bus 33
Customer 34
3.8 SIM Interface 42
3.8.2 Pin Description 44
3.8.3 Application 44
• C1 : 100nF 45
• D1 : ESDA6V1SC6 from ST 45
3.10.1 Features 48
ADIN4/ GPIO5 49
3.10.2 Pin Description 50
3.10.3 Application 50
3.11.1 Microphone Features 51
3.11.2.1.1 Speaker Outputs 54
Ω; AT+VGR=6; single 56
3.11.3 Pin Description 56
3.11.4 Application 57
3.11.4.1 Microphone 57
(Inside Q64) 59
3.11.4.2.3 AUXO Connection 63
Design Recommendation 64
General 64
RF decoupling inductors 65
RF decoupling capacitors 65
Features 68
Pin Description 68
Application 69
Electro-magnetic 70
Impedance: 7 to 30 Ω 70
Current: 60 to 90 mA 70
A charger power supply 72
A battery 72
Li-Ion Charging Algorithm 73
Constant charge 73
Beginning of pulse charge 73
End of pulse charge 73
Temperature Monitoring 74
If the Wireless CPU 75
Power-ON 76
3.14.3.2 Power-OFF 78
3.16 VREF Output 81
Non Rechargeable battery 84
Rechargeable Battery Cell 84
TOUTdelay 89
TSYNC-CLK 89
TCLK-cycle 89
TIN-hold 89
TIN-setup 89
3.20 USB 2.0 Interface 90
3.21 RF Interface 92
Antenna Specifications 93
Equipment 94
A communication tester 94
A standalone power supply 94
SIM cards used 96
Wireless CPU 96
Equipment Configuration 98
4.3 Template 99
5 Technical Specifications 100
Temperature range 102
-30 °C to +75°C 102
Q64 ENVIRONNEMENTAL CLASSES 103
Physical Characteristics 104
Weight : 11.6 g 104
Mechanical Drawings 104
6.2 SIM Card Reader 106
6.3 Microphone 106
6.4 Speaker 106
6.5 Antenna Adaptor 107
6.6 Antenna Cable 107
6.7 GSM Antenna 107
7 Noises and Design 108
7.2 Mechanical Integration 109
8 Appendix 111
3GPP TS 51.011 V5.0.0 113
(2001-12) 113
RF Safety 115
General 115
Exposure to RF Energy 115
+1 919 237 4140 118

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