Download EVK-PRO User Guide

EVK-PRO3 User Guide
1VV0300776 Rev. 2 – 31/03/09
Contents
1 Overview ...........................................................................................................................6 2 General description..........................................................................................................7 3 Content of EVK-PRO3 KIT ................................................................................................8 4 3.1 Motherboard............................................................................................................................9 3.2 Interface board......................................................................................................................10 Connectors pin-out ........................................................................................................12 4.1 From motherboard to interface board ................................................................................12 4.2 From interface board to extension board ..........................................................................15 5 Serial interface ...............................................................................................................19 6 JTAG connector .............................................................................................................21 7 ISO7816 – Smart Card....................................................................................................22 8 Audio Section .................................................................................................................23 8.1 Overview................................................................................................................................23 8.1.1 History............................................................................................................................................ 23 8.1.1.1 Transducers definitions.............................................................................................................. 23 8.1.2 Actual ............................................................................................................................................. 23 8.1.3 Select the audio path ..................................................................................................................... 24 8.2 Differential and Single Ended..............................................................................................24 Concepts........................................................................................................................................ 24 Benefits and disadvantages........................................................................................................... 24 8.2.1 8.2.2 8.3 Audio performance evaluation............................................................................................25 Headset connection ....................................................................................................................... 25 Instrumentation test mode ............................................................................................................. 25 8.3.1 8.3.2 8.4 Audio Outputs.......................................................................................................................26 8.5 AF Power Amplifier ..............................................................................................................27 8.6 Speaker plus Headset ..........................................................................................................27 8.7 Warnings ...............................................................................................................................27 8.7.1 Coil impedance .............................................................................................................................. 27 8.7.1.1 Headset...................................................................................................................................... 27 8.7.1.2 Speaker...................................................................................................................................... 27 8.8 Audio Accessories ...............................................................................................................27 Headset.......................................................................................................................................... 28 Stand-alone microphone................................................................................................................ 28 Speaker.......................................................................................................................................... 28 8.8.1 8.8.2 8.8.3 Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
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