User's Manual

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