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CRD5376 Fiches technique(PDF) 3 Page - Cirrus Logic |
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CRD5376 Fiches technique(HTML) 3 Page - Cirrus Logic |
3 / 68 page CRD5376 DS612RD1 3 TABLE OF CONTENTS 1. INITIAL SETUP ......................................................................................................................... 5 1.1 Kit Contents ....................................................................................................................... 5 1.2 Hardware Setup ................................................................................................................. 5 1.2.1 Default Jumper Settings ........................................................................................ 6 1.3 Software Setup .................................................................................................................. 7 1.3.1 PC Requirements .................................................................................................. 7 1.3.2 Seismic Evaluation Software Installation .............................................................. 7 1.3.3 USBXpress Driver Installation ............................................................................... 7 1.3.4 Launching the Seismic Evaluation Software ......................................................... 8 1.4 Self-Testing CRD5376 .......................................................................................................9 1.4.1 Noise Test ............................................................................................................. 9 1.4.2 Distortion Test ..................................................................................................... 10 2. HARDWARE DESCRIPTION ................................................................................................. 11 2.1 Block Diagram ................................................................................................................ 11 2.2 Analog Hardware ............................................................................................................. 12 2.2.1 Analog Inputs ...................................................................................................... 12 2.2.2 Differential Amplifiers .......................................................................................... 16 2.2.3 Delta-Sigma Modulators ..................................................................................... 17 2.2.4 Delta-Sigma Test DAC ........................................................................................ 18 2.2.5 Voltage Reference .............................................................................................. 19 2.3 Digital Hardware .............................................................................................................. 19 2.3.1 Digital Filter ......................................................................................................... 19 2.3.2 Microcontroller .................................................................................................... 22 2.3.3 Phase Locked Loop ............................................................................................ 25 2.3.4 RS-485 Telemetry ............................................................................................... 26 2.3.5 UART Connection ............................................................................................... 28 2.3.6 External Connector ............................................................................................. 28 2.4 Power Supplies ................................................................................................................ 28 2.4.1 Analog Voltage Regulators ................................................................................. 29 2.5 PCB Layout ..................................................................................................................... 29 2.5.1 Layer Stack ......................................................................................................... 29 2.5.2 Differential Pairs .................................................................................................. 30 2.5.3 Bypass Capacitors .............................................................................................. 31 3. SOFTWARE DESCRIPTION .................................................................................................. 32 3.1 Menu Bar ......................................................................................................................... 32 3.2 About Panel ..................................................................................................................... 33 3.3 Setup Panel ..................................................................................................................... 34 3.3.1 USB Port ............................................................................................................. 35 3.3.2 Digital Filter ......................................................................................................... 36 3.3.3 Analog Front End ................................................................................................ 37 3.3.4 Test Bit Stream ................................................................................................... 37 3.3.5 Gain/Offset .......................................................................................................... 38 3.3.6 Data Capture ....................................................................................................... 39 3.3.7 External Macros .................................................................................................. 40 3.4 Analysis Panel ................................................................................................................. 41 3.4.1 Test Select .......................................................................................................... 42 3.4.2 Statistics .............................................................................................................. 43 3.4.3 Plot Enable .......................................................................................................... 43 3.4.4 Cursor ................................................................................................................. 44 3.4.5 Zoom ................................................................................................................... 44 3.4.6 Refresh ............................................................................................................... 44 |
Numéro de pièce similaire - CRD5376 |
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Description similaire - CRD5376 |
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