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Telit Wireless Solutions GM862-GPS Manuel d'utilisateur Page 12
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Table des matières
MARQUE LIVRES
Noté
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GM862-GPS Hardware User Guide
1vv0300728 Rev. 0 - 27/04/06
Reproduction forbidden without Telit Communications S.p.A.
writte
n authorization - All Right reserved
page 12 of 55
An example of linear regulator with 5V input is:
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Contents
2
1 Overview
4
2 Hardware Commands
5
2.2.1 Hardware shutdown
7
RESET#
8
Unconditional Power OFF
8
Unconditional Reboot
9
3 Power Supply
10
3.2 General Design Rules
11
4 Serial Ports
19
4.1 level translation
21
5 Audio Section Overview
25
GM862-GPS Audio Paths
26
5.2 General Design Rules
30
5.3 Other considerations
30
5.4 Microphone Biasing
31
5.5 Microphone buffering
34
6 OUTPUT LINES (Speaker)
39
6.3 General Design rules
41
6.4 Handset earphone design
42
GM862-GPS
43
7 General Purpose I/O
45
8 GPS Receiver
47
9 Camera
48
9.1.2 EVB for camera support
49
10 Document Change Log
55
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