Cirrus Logic CRD7410-CD18 User manual

Cirrus Logic, Inc.
http://www.cirrus.com
Copyright©CirrusLogic,Inc.2004
(All Rights Reserved)
Leading the Digital Entertainment Revolution
™
DS620QS2
FEB ‘04
For detailed instructions, please refer to the full
User’s Manual.
The figure below shows a top view of the CD player.
To operate this unit, please follow this procedure.
First, install the batteries in the battery compartment (accessible from the
top of the unit), or attach the 5 volt power adapter to the power jack on the
front of the unit.
Second, plug in the headphone to the headphone jack located on the left rear
of the unit.
Third, set the Open switch to “Lid Open”. Insert a CD. Set the Open switch to
“Lid Closed”.
Fourth, press the Play/Pause/Up button in the right front corner of the CD
player.
Controls
The control buttons are located on the top of the unit, in the right front
corner, directly below the LCD display. The list below provides details of these
control functions.
On/Off (Battery): This switch controls the power from the batteries. To
extend battery life, switch to Off when not operating the unit. If the unit is
connected to the 5 Volt power adapter, this switch should be left in the Off
position. This will extend the life of the batteries.
Battery Compartment
5 Volt Power Jack
LCD Display
Play/Pause/Up
Stop/Down
Previous/Left
Vol-
Select
Navigator/Menu
Mode
A->B Program
10+ Vol+
Next/Right
Line Out Jack
Phone Out Jack
On/Off
(Battery)
EQ
HoldOpenReset
Open: Opens and closes the cover to load a CD.
Play/Pause/Up: This button is used to start or pause playback of the current
track. When displaying a menu, this button is used to move up. When the player
is in soft power-down mode, pressing this button will power on the player and
commence playback.
Stop/Down: This button is used to stop playback of the current track. When
displaying a menu, this button is used to move down. When held, this button
will put the player into soft power-down mode.
Vol+/Vol-: Increase/decrease volume
Previous/Left: This button is used to skip to the beginning of the current
track, or to the beginning of the previous track (if already at the beginning of
the current track). Holding this button while playing will seek backwards
within the track. Holding this button while stopped will repeatedly skip to the
previous track. When displaying a menu, this button is used to move left.
Next/Right: This button is used to skip to the beginning of the next track.
Holding this button while playing will seek forward within the track. Holding
this button while stopped will repeatedly skip to the next track. When
displaying a menu, this button is used to move right.
10+: This button is used to skip forward 10 tracks within the current playlist.
EQ: This button is used to cycle between the various equalizer settings.
Mode: This button is used to cycle between the various playback modes, such
as repeat all, shuffle all, etc.
Navigator/Menu: Pressing this button will enter/leave the file system
navigator menu. Holding this button will enter/leave the settings menu.
A->B/Program: Pressing this button while playing sets the A point for the
A->B repeat mode. Pressing it again will set the B point and enable the A->B
repeat mode. Pressing it a third time will cancel the A->B repeat mode.
Pressing this button while stopped will enter/leave the playlist menu.
Select: This button is used to select items when displaying a menu.
Reset: Resets the CD player settings to “Normal” mode.
Hold: Disables all controls on the CD player. This prevents accidental changes
to your settings, if carrying your player in a pocket or backpack. Press again
to enable the controls.
Operation
Normal Mode
After the Play button has been pressed, the CD player will scan the CD. After
the scanning has been completed, if the disc is OK, the normal operation
screen will be displayed.
Top Line
-Function: Play/Pause
-The time in the upper right corner of the screen is the current playback time.
Second Line
-Format: This indicates the format of the audio on the disc. It will be “CD-
DA”, “MP3”, or “WMA”.
-Sample Rate: This indicates the sample rate of the PCM audio.
-Bit Rate:This indicates the bit rate of the audio on the disc. It will be
specified as “XXXX kbps”, where “XXXX” is the bit rate specified in kilobits-
per-seconds (kbps).
Third Line
This is: Track number/Total number of tracks.
Fourth Line
Contains track information. The format is “TrackNum: Artist - Song (Length)”.
If there is a problem with the disc, the player will report that on the LCD
display. A message will be displayed for five seconds, then the CD player will
be powered off. The following is an example screen.
Navigation
Pressing the “Navigator/Menu” button will enter navigation mode and the
following screen will be displayed.
The Up/Down buttons can be used to highlight a file, which is then selected
by pressing the “Select” button. Selecting a file will cause it to be played back.
Selecting a directory will cause the directory contents to be played back. If
there is no button activity for a period of time, the screen reverts to normal
mode.
Volume
The “Vol+” and “Vol-” buttons adjust the playback volume. When the volume is
adjusted, the new volume level is displayed temporarily.
CRD7410-CD18

Cirrus Logic, Inc.
http://www.cirrus.com
Copyright ©Cirrus Logic, Inc.
2004(All Rights Reserved)
Leading the Digital Entertainment Revolution
™
“Right” buttons select the band and the “Up” and “Down” change the decibel
setting of the selected band. Pressing “Select” saves the settings for the
equalizer. Once the EQ has remained unchanged for a period of time, the
normal display returns.
Menu
Press and hold the “Navigator/Menu” button to enter menu mode and display
the following screen.
The “Up” and “Down” buttons will highlight a menu item. Pressing the “Select”
button will enter the setting screen for that item.
The following is a list of the items in the main menu:
-ESP (Electronic Shock Protection) - “ESP” can be set to “None”,
“Uncompressed” (about 9.5 seconds for CDDA media), or “Compressed” (about
38 seconds for CDDA media).
Selecting the “ESP” item will display this screen.
-Backlight - “Backlight” can be set to “Always On”, “Always Off” or
“Automatic”. If it is set to “Automatic”, the light is turned on whenever a
button is pressed.
-Lyrics - “Lyrics” can be set to “On” or “Off”. When “On”, lyrics wil be
displayed, if they are on the CD.
-Resume - “Resume” can be set to “On” or “Off”. When “On”, if a CD is removed
from the player, the player will remember where on the CD it was playing.
Works for up to 5 CDs.
-Scrolling - “Scrolling” can be set to “On” or “Off”. Line 4 of the display shows
information about the song currently playing. When “Scrolling” is set to “On”,
this information will automatically scroll, if it is longer than can be shown on 1
line.
-Power off time - The “Power off time” setting displays a countdown timer.
If the power off time is not zero, the player will be turned off after the
specified number of minutes of inactivity. Can be set from 0 to 15 minutes, in
1 minute increments.
-Sleep timer - The “Sleep timer” setting displays a countdown timer. If the
sleep timer is not zero, the player will be turned off after the specified
number of minutes, regardless of activity. Can be set from 0 to 120 minutes,
in 15 minute increments.
Playlist
If the “A->B/Program” button is pressed while the player is stopped, the
playlist selection mode will be entered and the following screen displayed.
Use the “Up/Down” buttons to highlight a playlist. Select it by pressing the
“Select” button. This will load the playlist and start playback. If there is no
button activity for a period of time, the screen reverts to normal mode.
When a playlist file is selected, the following screen is displayed while the
contents of that file are being read and inserted into the custom playlist.
After the playlist has been read from the playlist file, playback is commenced,
and the screen reverts to normal mode.
Selecting the “{new}” item enters the playlist creation mode, and the following
screen is displayed.
The number on the first line is the playlist index of the track currently being
programmed. Files are selected with the “Up/Down” buttons. Pressing the
“Select” button will add the file to the custom playlist. Pressing the
“A->B/Program” button will complete the custom playlist, return the screen to
normal mode and start playback of the custom playlist.
EQ
The first time the “EQ” button is pressed, the current equalizer setting will
be displayed.
Subsequent presses of the “EQ” button while the equalizer is displayed will
cycle between the various preset and user defined equalizer settings.
Selecting the “User EQ” setting lets the user enter a custom EQ setting.
There are seven frequency bands: 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2 kHz, 6 kHz
and 15 kHz. The entire equalizer setting is shown graphically at the bottom of
the screen, with asterisks above the currently selected band. The “Left” and
Thank you for purchasing the CRD7410-CD18,
reference design for a low-cost CD player from Cirrus
Logic.
The CRD7410-CD18 is an advanced reference design which supports all
functions for an advanced low-cost portable CD player.
zCirrus advanced CD-player application software
- Playback of CDDA, MP3, VCD, AVCD, SVCD and WMA files
- Support for .b4s, .pls, .rmp .m3u and .m4u playlists
- Full ISO 9660 and UDF file-system support
- VCD Audio, ID3 v1.1/V2.3, mixed sessions …
zPhillips CD18 servo DSP
zSlim TPP381 loader mechanism
zCompact layout leaving space for AA batteries
The CRD7410-CD18 is powered by the highly integrated Cirrus CS7410 solution for CD/MP3/WMA players. The
CS7410 integrates microcontroller and DSP capability into a single device to provide a highly cost effective and
compact solution for this exciting new class of consumer electronics products.
CONTACTING CIRRUS LOGIC SUPPORT
For a complete listing of direct Distributor, Sales, and Sales Representative
contacts, visit the Cirrus Logic website at http://www.cirrus.com/
DS620QS2
FEB ‘04

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