Telit GM862-QUAD/-QUAD-PY
Hardware User Guide
1vv0300692, Rev. ISSUE#0, - 04/10/2005
Reproduction forbidden without DAI Telecom written authorization – All Right reserved – Right of modification reserved
page 3 of 69
6
SPEAKER 34
6.1
Speaker lines characteristics and requirements
34
6.2
General Design rules
36
6.2.1 Noise
Filtering
36
6.3
Handset earphone design
36
6.4
Hands Free earphone (low power) design
38
6.5
Car Kit speakerphone design
38
7
GENERAL PURPOSE I/O
40
7.1
Using a GPIO pin as INPUT
40
7.2
Using a GPIO pin as OUTPUT
40
7.3
Using the Alarm Output GPIO6
41
7.4
Using the Buzzer Output GPIO7
41
8
CAMERA
42
8.1
Agilent Camera
42
8.1.1
Camera interface connectors
42
8.1.2
EVB for camera support
44
8.2
Camera Transchip
45
8.2.1
Camera interface connectors
45
8.2.2
EVB for Agilent and Transchip camera support
47
8.2.3
Block Diagram for supported cameras
48
8.2.4
Schematic Diagrams for supported cameras
49
8.2.5
Example usage script for camera
51
9
DOCUMENT CHANGE LOG
52
10
ANNEX A - EVK SCHEMATICS
53
11
ANNEX B - CAMERA EVB SCHEMATICS
65
