Download GM862-PCS Hardware User Guide

Telit GM862-PCS/-GPRS/-GSM
Hardware User guide
1vv0300613, Rev. ISSUE#4, - 10/02/04
6
6.1
SPEAKER
Speaker lines characteristics and requirements
34
34
6.2
General Design rules
6.2.1
Noise Filtering
36
37
6.3
Handset earphone design
37
6.4
Hands Free earphone (low power) design
39
6.5
Car Kit speakerphone design
39
7
GENERAL PURPOSE I/O
41
7.1
Using a GPIO pin as INPUT
41
7.2
Using a GPIO pin as OUTPUT
41
7.3
Using the Alarm Output GPIO6
42
7.4
Using the Buzzer Output GPIO7
42
8
CAMERA
43
8.1
Camera characteristics
43
8.2
Camera interface connectors
43
8.3
EVB for camera support
45
DOCUMENT CHANGE LOG
46
10 ANNEX A - EVK SCHEMATICS
47
11 ANNEX B - EVB SCHEMATICS
59
9
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved
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