CDB5461 datasheet(9/27 Pages) CIRRUS

9 / 27 page

CDB5461

to access the internal registers of the CS5461,

collect data, and perform analysis on the col-

lected data.

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

Figure 1. Start-Up Window

CDB5461 Datasheet(PDF) 9 Page - Cirrus Logic