Cirrus-logic CDB5534U Manuel d'utilisateur

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Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
http://www.cirrus.com
AIN1+
AIN1-
AIN2+
AIN2-
CRYSTAL
4.9152 MHz
CS5534
A1
A0
SCLK
SDO
SDI
CS
C8051F320
Microcontroller
RESET
CIRCUITRY
Interface Header
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN3+
AIN3-
AIN4+
AIN4-
AIN4+
AIN4-
VREF-
VREF+
VREF
Source
Select
LT1019
VREF+
VREF-
VD+
VA- VA+
GND
+5 V
USB
CONNECTOR
CDB5534U
CDB5534U Evaluation Board and Software
Features
z USB Communication with PC
z On-board Microcontroller
z On-board Voltage Reference
z Evaluation Software
– Register Setup & Chip Control
– FFT Analysis
– Time Domain Analysis
– Noise Histogram Analysis
z Interface Header for External Microcontroller
General Description
The CDB5534U is an inexpensive tool designed to eval-
uate the functionality and performance of the CS5534.
The CS5534 datasheet should be read and consulted
when using the CDB5534U evaluation board.
The evaluation board includes a C8051F320 microcon-
troller with a USB interface. The microcontroller controls
the serial communication between the evaluation board
and the PC via the firmware, enabling quick and easy ac-
cess to all of the CS5534’s registers and functions.
The CDB5534U includes software for Data Capture,
Time Domain Analysis, Histogram Analysis, and Fre-
quency Domain Analysis.
ORDERING INFORMATION
CDB5534U Evaluation Board
NOV ‘06
DS289DB6
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Résumé du contenu

Page 1 - CDB5534U

Copyright © Cirrus Logic, Inc. 2006(All Rights Reserved)http://www.cirrus.comAIN1+AIN1-AIN2+AIN2-CRYSTAL4.9152 MHzCS5534A1A0SCLKSDOSDICSC8051F320Micro

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CDB5534U10 DS289DB62.2.1 Start-Up WindowWhen the evaluation program is launched, the Start-Up window will appear. This window contains infor-mation co

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CDB5534UDS289DB6 112.2.1.2 WindowAfter the user selects the appropriate setup, the Window option becomes available in the Start-Up win-dow. The Window

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CDB5534U12 DS289DB6are displayed in the “Last Conversion” box, as well as the Channel and Overflow indicator bits for eachconversion. The software wil

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CDB5534UDS289DB6 13Window for more details). Note that offset calibration should be performed before gain calibration to en-sure accurate results. Ref

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CDB5534U14 DS289DB62.2.3 Data Collection WindowThe Data Collection Window (Figure 8) allows the user to collect sample sets of data from the CS5534and

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CDB5534UDS289DB6 152.2.4 Configuration WindowThe Configuration Window allows the user to set up the data collection and analysis parameters. See Fig-u

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CDB5534U16 DS289DB62.3 Collecting Data SetsTo collect a sample data set:1) In the Data Collection Window, select the Config button to bring up the Con

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CDB5534UDS289DB6 172.7 Histogram InformationThe following is a description of the indicators associated with Histogram Analysis. Histograms can be plo

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CDB5534U18 DS289DB63. BOARD LAYOUT Figure 10. Top Silkscreen

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CDB5534UDS289DB6 19 Figure 11. Top Side Layout

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CDB5534U2 DS289DB6TABLE OF CONTENTS1. HARDWARE ...

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CDB5534U20 DS289DB6 Figure 12. Bottom Silkscreen

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CDB5534UDS289DB6 21 Figure 13. Bottom Side Layout

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CDB5534U22 DS289DB6Contacting Cirrus Logic SupportFor a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Ci

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CDB5534UDS289DB6 31. HARDWARE1.1 IntroductionThe CDB5534U evaluation board provides a quick means of evaluating the CS5534 Analog-to-DigitalConverter

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CDB5534U4 DS289DB6Table 1. Voltage Reference Selection for VREF+ Table 2. Voltage Reference Selection for VREF- 1.2.2 Digital SectionFigure 2 illustra

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CDB5534UDS289DB6 5the +5 V binding post (J3), or the regulated +3.3 V supply derived from the microcontroller. The +5 V bind-ing post supplies the mic

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CDB5534U6 DS289DB6 Figure 1. Analog Section

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CDB5534UDS289DB6 7 Figure 2. Digital Section

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CDB5534U8 DS289DB6Figure 3. Power Supply

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CDB5534UDS289DB6 92. SOFTWAREThe evaluation board comes with software and a USB cable to link the evaluation board to the PC. Thesoftware is designed

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