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Teilenummer | CDB3318 |
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Beschreibung | Evaluation Board | |
Hersteller | Cirrus Logic | |
Logo | ||
Gesamt 16 Seiten www.DataSheet4U.com
CDB3318
Evaluation Board for CS3318
Features
Single-ended Analog Inputs
Single-ended Analog Outputs
Supports AC and DC-Coupled Analog I/O
Flexible Serial Control I/O Headers
– Serial Control Input Header to
Accommodate On-board and External
Serial Controllers
– Serial Control Output Headers for
“Chaining” Serial Control Across Multiple
CDB3318 Evaluation Boards
– 3.3 V Logic Interface Level
Demonstrates Recommended Layout and
Grounding Arrangements
Minimal Power Supply Requirements
– ±8 V to ±9 V and Ground
Windows® Compatible Software Interface
– Easy and Intuitive Graphical Interface to
Channel and Master Volume Controls
– Supports USB and RS-232 PC
Connectivity
Description
The CDB3318 evaluation board is an excellent means
for evaluating the CS3318 analog volume control. Eval-
uation requires an analog signal source and analyzer,
power supplies, and a Windows PC compatible
computer.
Standard RCA phono jacks are provided to easily inter-
face external analog signals with the evaluation board.
Each of the CS3318’s inputs and outputs may be inde-
pendently AC or DC-coupled to their respective I/O
connectors.
The Windows software provides a GUI to make config-
uration of the CDB3318 easy. The software
communicates through the PC’s USB or Serial port to
configure the control port registers so that all features of
the CS3318 can be evaluated.
As an alternative to the serial control provided via a PC,
the evaluation board may be configured to accept exter-
nal control signals for operation in a user application
during system development.
To facilitate multi-CS3318 system design efforts, head-
ers are provided for connecting serial control signals
between multiple CDB3318 evaluation boards.
ORDERING INFORMATION
CDB3318
Evaluation Board
8-Channel
Passive
Inputs
AC/DC
Coupling
CS3318
8-Channel
Digitally Controlled
Analog Volume Control
AC/DC
Coupling
8-Channel
Passive
Outputs
USB/RS232
PC Interface
http://www.cirrus.com
PC or External
Serial Control Input
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
External
Serial Control Output
MAY '06
DS693DB2
CDB3318
2.2 Register Maps Tab
The Register Maps tab provides an easy register-level interface to the on-board devices. Register values
can be modified on a bit-wise or byte-wise basis. To modify a single bit, first select the register by clicking
its position in the register matrix, then click the appropriate push-button for the desired bit. To modify an
entire register, simply enter the register’s new value directly into the register matrix.
Within the Register Maps tab, the CS3318 tab is used to access the CS3318’s internal registers, and the
GPIO tab is used to access the on-board microcontroller outputs used to control the CS3308’s MUTE input
and default I²C address.
Figure 2. Register Maps Tab
The Comm Mode Select box may be used to change the CS3318’s serial communication protocol between
I²C and SPI. The CS3318 will be automatically reset when the communication protocol is changed.
The software is only capable of addressing the CS3318 at its default address. If the CS3318’s individual
address is changed, the software will loose communication with the device until it is reset, thereby returning
to its default address. See the CS3318 datasheet for more information about the device’s individual ad-
dress.
6 DS693DB2
6 Page CDB3318
12 DS693DB2
12 Page | ||
Seiten | Gesamt 16 Seiten | |
PDF Download | [ CDB3318 Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
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