CDB5461 Datasheet, PDF (9/27 Pages) Cirrus Logic – Evaluation Board and Software

to access the internal registers of the CS5461,
collect data, and perform analysis on the col-
lected data.
CDB5461
Figure 1. Start-Up Window
2.4 Register Access in the Setup
Window
The Evaluation software provides access to
the CS5461’s internal registers in the Setup
Window (Figure 2). The user can enter the
Setup Window by pulling down Menu and se-
lecting Setup Window, or by pressing F2 on
the keyboard.
In the Setup Window, all of the CS5461’s reg-
isters are displayed in hexadecimal notation,
and also decoded to provide easier readability.
Refer to the CS5461 data sheet for information
on register functionality and definitions.
2.4.1 Refresh Screen Button
The Refresh Screen button will update the
contents of the screen by reading all the regis-
ter values from the part. This usually takes a
couple of seconds, but it is a good idea to
press the Refresh Screen button when enter-
ing the Setup Window, or after modifying any
registers to reflect the current status of the
part.
2.4.2 CS5461 Crystal Frequency
The CS5461 accepts a wide range of crystal
input frequencies, and can therefore run at
many different sample rates. The crystal fre-
quency being used on the CS5461 should be
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