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PDF CDB5534U Data sheet ( Hoja de datos )
| Número de pieza | CDB5534U | |
| Descripción | Evaluation Board and Software | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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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
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
VREF+
VREF-
http://www.cirrus.com
CRYSTAL
4.9152 MHz
CS5534
AIN1+
AIN1-
AIN2+
AIN2-
CS
SDI
SDO
SCLK
A0
A1
AIN3+
VA-
VA+
GND
VD+ +5 V
Interface Header
RESET
CIRCUITRY
C8051F320
Microcontroller
USB
CONNECTOR
AIN3-
VREF+
AIN4+
VREF-
AIN4-
VREF
Source
Select
LT1019
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
NOV ‘06
DS289DB6
1 page  
CDB5534U
the +5 V binding post (J3), or the regulated +3.3 V supply derived from the microcontroller. The +5 V bind-
ing post supplies the microcontrollers internal regulator.
DS289DB6
5
5 Page 
CDB5534U
2.2.1.2 Window
After the user selects the appropriate setup, the Window option becomes available in the Start-Up win-
dow. The Window pull-down has three options: Start-Up Window, Setup Window, and Data Collection
Window.
2.2.2 Setup Window
The Setup Window allows the user to access the internal registers of the CS5534. See Figure 5.
Figure 5. CDB5534U Setup Window
In the Setup Window, all of the ADC’s registers are displayed as hexadecimal values. The Configuration
Register’s settings are also defined in this window.
Update Registers: The Update Registers button will read all the register values from the CS5534 and
update the hexadecimal values displayed on the screen. It is a good idea to press the Update Registers
button when entering the Setup Window, or after modifying any registers to reflect the current status of
the part.
Reset Serial Port: When this button is selected, the software will send the synchronization sequence dis-
cussed in the CS5534 datasheet to the ADC. This sequence brings the CS5534’s serial port back to the
command mode, but does not reset any of the registers in the part.
Reset Part: When this button is selected, a ‘1’ is written to the RS bit in the Configuration Register to reset
the part. After a reset, the registers will all return to their default values as discussed in the CS5534
datasheet.
Read Data: This button will instruct the ADC to begin performing repeated single (fully-settled) conver-
sions on the setup channel specified by the Setup Register box. The results of the most recent conversion
DS289DB6
11
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet CDB5534U.PDF ] | |
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