Cirrus Logic CRD7410-HE User's Guide

Download

CRD7410-HE User’s Guide

http://www.cirrus.com

Release 1.2

Feb ‘04

DS621UMC2

Contacting Cirrus Logic Support

For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one nearest to you go to www.cirrus.com

IMPORTANT NOTICE

Cirrus Logic, Inc. and its subsidiaries ("Cirrus") believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided "AS IS" without warranty of any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowled gm ent, including those pe rtaining to warranty, patent infringem ent, and lim itation of liab ility. No responsibility is assumed by Cirrus for the use of this information, including use of this inform ation as th e basis for man ufacture o sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale.

CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL APPLICATIONS”). CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN AIRCRAFT SYSTEMS, MILITARY

PPLICATIONS, PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, LIFE SUPPORT PRODUCTS OR OTHER

CRITICAL APPLICATIONS (INCLUDING MEDICAL DEVICES, AIRCRAFT SYSTEMS OR COMPONENTS AND PERSONAL OR

UTOMOTIVE SAFETY OR SECURITY DEVICES). INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER’S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER’S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL

PPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS’ FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES.

Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners.

Supply of this product does not convey a license under the relevant intellectual property of Thomson multimedia and/o Fraunhofer Gesellschaft nor imply any right to use this product in any finished end user or ready-to-use final product. An inde pendent license for such us e is required. For details, please visit http://www.mp3licensing.com

Windows Media is a registered trademark of Microsoft Corporation. The product includes technology owned by Microsoft Corporation and cannot be used or distributed without a license from Microsoft Licensing, Inc.

2 CRD7410-HE User’s Guide - DS621UMC2

0Table of Contents

1.1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.2. Main Subsystems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.2.1. Decoder Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.2.2. Audio Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.2.1. On-board DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.2.2. SPDIF Digital Audio Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.2.2.3. Subsystem Design Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.2.3. Tuner Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.2.4. User Interface Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.2.4.1. LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1.2.4.2. System Control Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1.2.4.3. Remote Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

1.2.4.4. CD Loader Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1.2.4.5. Power Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.2.4.6. Debug Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.2.4.7. Jumpers and Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

2.1. User Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

2.1.1. System Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2.1.2. Normal (Default) Start-up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

2.2. Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.2.1. ESP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

2.2.2. Backlight Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

2.2.3. Lyrics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.4. Resume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2.2.5. Scrolling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.2.6. Power Off Time Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.2.7. Audio Source Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

2.2.8. Playback Mode Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

2.2.9. EQ (Preset) Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

2.2.10. User EQ Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

2.2.10.1. 60Hz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

2.2.10.2. 150Hz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

2.2.10.3. 400Hz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.2.10.4. 1kHz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.2.10.5. 2kHz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

2.2.10.6. 6kHz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

2.2.10.7. 15kHz EQ Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

2.2.11. 3D Enhancement Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

2.2.12. Sleep Timer Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

2.2.13. Order Tracks Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

2.2.14. Firmware Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

2.3. Menu Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

2.3.1. Power Off Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Table of Contents

2.3.2. Normal Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

2.3.3. Navigator/Menu Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

2.3.4. Playlist Selection Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

2.3.5. Playlist Creation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

2.3.6. Menu Mode, in a Menu List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

2.3.7. Menu Mode, in a Settings Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

2.3.8. Menu Mode, in the User EQ Setting Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

3.1. Tuner Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

3.1.1. Integrated Stereo FM Tuner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

3.1.2. CS5333 ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

3.1.3. CS43L42 DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

3.1.4. Tuner Mode Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

3.1.5. Tuner Mode Button Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

4 CRD7410-HE User’s Guide - DS621UMC2

List of Figures

0List of Figures

Figure 1-1.. CRD7410-HE System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 1-2.. CS7410 (U6) and SDRAM (U8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 1-3.. Flash EEPROM (U3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 1-4.. CS43L42 DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 1-5.. CS5333 ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 1-6.. Headphones and Line Out Jacks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 1-7.. FM Tuner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 1-8.. LCD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 1-9.. Detail View of the Control Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 1-10.. Remote Control Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 1-11.. Servo Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 1-12.. CD Loader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 1-13.. Power Subsystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 1-14.. Debug Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 2-1.. Power On Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 2-2.. Checking for Update Files Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 2-3.. Loading Updated Firmware Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 2-4.. Bad Disc Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 2-5.. Normal Operation Screen (Play). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 2-6.. Normal Operation Screen (Pause) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 2-7.. Volume Adjust Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 2-8.. Navigator Mode Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 2-9.. Playlist Select Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 2-10.. Loading Playlist Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 2-11.. Create Playlist Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 2-12.. CRD7410-HE Menu Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 2-13.. Main Menu Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 2-14.. Electronic Shock Protection (ESP) Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 2-15.. Backlight Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 2-16.. Lyrics Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 2-17.. Resume Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 2-18.. Scrolling Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 2-19.. Power Off Time Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Figure 2-20..

Figure 2-21.. Playback Mode Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 2-22.. EQ (Preset) Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 2-23.. User EQ Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 2-24.. User EQ 60 Hz Submenu Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 2-25.. User EQ 150 Hz Submenu Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 2-26.. User EQ 400 Hz Submenu Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 2-27.. User EQ 1 kHz Submenu Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 2-28.. User EQ 2 kHz Submenu Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Audio Source Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

List of Figures

Figure 2-29.. User EQ 6 kHz Submenu Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 2-30.. User EQ 15 kHz Submenu Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 2-31.. 3D Enhancement Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 2-32.. Sleep Timer Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 2-33.. Order Tracks Screen 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 2-34.. Order Tracks Screen 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 2-35.. Firmware Version Screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 3-1.. Audio Source Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 3-2.. Navigator Mode Screen (Tuner Mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 3-3.. Tuner Playback Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 3-4.. Tuner Tuning Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Figure 3-5.. Tuner Edit Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

6 CRD7410-HE User’s Guide - DS621UMC2

List of Tables

0List of Tables

Table 1-1:. Main Board Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 1-2:. Remote Controller Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

List of Tables

This page intentionally blank.

8 CRD7410-HE User’s Guide - DS621UMC2

Chapter 1

1.1 Overview

1Board Architecture

This document describes a reference design platform for the Cirrus Logic CS7410, known as the CRD7410-HE. It is an evaluation platform for a high-end portable CD player. The CRD7410-HE platform provides a low-cost yet powerful solution for today’s popular digital music formats (CDDA, MP3, WMA, VCD, AVCD, and SVCD). The platform also provides support for today’s popular music playlist formats such as MP3, M4U, PLS, B4S, and RMP. An integrated single-chip stereo FM tuner provides yet another attractive feature for the portable audio market. The system’s small size, light weight, and low power consumption allow designers to integrate powerful features into a portable device. The design is also easily adapted to small bookshelf systems.

The CRD7410-HE is composed of the main board and the remote control unit. All components necessary for a portable CD/MP3/WMA/VCD/AVCD/SVCD/FM application except the LCD display are incorporated into the main board. The remote control unit contains an LCD display and all switches necessary to control the player. Refer to Figure 1-1.

Debug capability is provided adjacent to the main circuitry. In a final design, the I2C debug and Romulator ports could easily be eliminated, leaving only the circuitry required for the application.

In addition, the LCD display and control buttons on the remote control are laid out in a manner which allows that circuitry to be moved easily to a separate front panel PCB. Refer to Figure 1-1.

Cirrus Logic provides the system as a complete solution. Schematics and Gerber data files for the PCB are available.

Board Architecture

Figure 1-1. CRD7410-HE System

The CRD7410-HE system contains three Cirrus Logic devices:

• CS7410 Compressed Audio Decoder

• CS43L42 Low-voltage Stereo D/A Converter with Headphone Amp

• CS5333 24-Bit, 96 kHz, Stereo A/D Converter

User interface control and digital audio decoding are provided by the CS7410. The CS7410 receives data from the CD loader subsystem, decodes the CDDA/MP3/WMA/VCD/AVCD/SVCD data, processes it for EQ and 3D sound effects and delivers digital audio outputs to the on-board CS43L42 digital-to-analog converter (DAC).

The CS43L42 DAC can deliver the analog audio to an external amplifier via a line-level output jack or, using its integrated headphones amplifier, power a set of headphones.

The CS5333 ADC converts analog input from the on-board world-wide-capable FM tuner or the auxiliary line-level input jack. The analog data is converted and delivered to the CS7410 for EQ and 3D sound effects processing. The processed digital data is then passed to theCS43L42 stereo DAC and output to both the integrated headphones amplifier and the auxiliary line-out jack.

10 CRD7410-HE User’s Guide - DS621UMC2

1.2 Main Subsystems

The CRD7410-HE has seven main subsystems. They are:

• Decoder

• Audio

• User Interface Subsystem

• CD Loader

• Power

• Debug Interface

• Jumpers and Switches

The subsystems are detailed in the following sections.

1.2.1 Decoder Subsystem

Board Architecture

This system uses the Cirrus Logic CS7410 for main control and audio decode. See U6 in Figure 1-2.

A Flash EEPROM is used for application code. See U3 in Figure 1-3.

An SDRAM is provided for Electronic Shock Protection (ESP). See U8 in Figure 1-2.

Figure 1-2. CS7410 (U6) and SDRAM (U8)

Board Architecture

1.2.2 Audio Subsystem

The CS7410 receives data from the CD loader subsystem, decodes the CDDA/MP3/WMA/VCD/AVCD/SVCD data (supporting M3U/M4U/PLS/B4S/RMP playlist formats), processes it for EQ and 3D sound effects and delivers digital audio outputs to the on-board CS43L42 digital-to-analog converter (DAC).

The CS43L42 DAC can deliver the analog audio to an external amplifier via a line-level output jack or, using its integrated headphones amplifier, power a set of headphones.

The CS5333 ADC converts analog input from the on-board world-wide-capable FM tuner or the auxiliary line-level input jack. The analog data is converted and delivered to the CS7410 for EQ and 3D sound effects processing. The processed digital data is then passed to the CS43L42 stereo DAC and output to both the integrated headphones amplifier and the auxiliary line-out jack.

1.2.2.1 On-board DAC

The CS43L42 is an integrated Sigma-Delta-based Digital-to-Analog Converter. This allows the designer to build a low-cost DAC with a simple RC integration circuit. In such a design, proper layout permits greater than 80 dB SNR.

Figure 1-3. Flash EEPROM (U3)

12 CRD7410-HE User’s Guide - DS621UMC2

1.2.2.2 SPDIF Digital Audio Output

This system also provides audio data in serial format, to support the use of an external DAC. An optical SPDIF connector is available adjacent to the Romulator and I2C debug ports.

1.2.2.3 Subsystem Design Details

The flowering three figures show the details of the implementation of this subsystem design. This list below defines the semiconductor devices and connectors used in this subsystem, and the function of each.

• D-to-A Converter - CS43L42

• A-to-D Converter - CS5333

• J12 - Headphones Out and Line Controller Headphones Jack

• J15 - Line Out Jack

Board Architecture

Figure 1-4. CS43L42 DAC

Figure 1-5. CS5333 ADC

Board Architecture

Remote

Connector

Figure 1-6. Headphones and Line Out Jacks

1.2.3 Tuner Subsystem

The tuner subsystem incorporates an single-chip electronically-tuned FM stereo radio with fully integrated IF selectivity and demodulation.

The radio can be tuned to the European, US, and Japanese FM bands.

The tuner’s analog outputs are sampled and converted to digital data by the CS5333 and delivered to the CS7410 for EQ and 3D sound effects processing. The data is then passed to the optical SPDIF connector and the CS43L42 DAC. The CS43L42 integrates both a headphones amplifier and line-level amplifier.

Figure 1-7. FM Tuner

14 CRD7410-HE User’s Guide - DS621UMC2

1.2.4 User Interface Subsystem

The User Interface Subsystem has three sections: the LCD (Liquid Crystal Display), the Button Matrix, and the wired remote controller. The LCD is integrated into the remote controller.

1.2.4.1 LCD Display

Figure 1-8 shows a close-up view of the LCD, which is part of the User Interface Subsystem.

The LCD display (reference designator - DSP1) is a 128 x 64 pixel display. For a dot matrix character size of 8 x 6, this gives 21 characters per line, by 8 lines per display.

Board Architecture

Figure 1-8. LCD

Board Architecture

1.2.4.2 System Control Buttons

Figure 1-9 shows a close-up view of the control buttons located on the main board, which are part of the User Interface Subsystem. The Lid Open switch works as an interlock preventing the unit from being powered on while the lid/door is open. If the lid/door is opened while the unit is playing, the power will be switched off.

User inputs are implemented with 8 push buttons on the main board and 12 buttons on the remote control.

Table 1-1 shows the functions of the push buttons shown in Figure 1-9.

Figure 1-9. Detail View of the Control Buttons

Note: When the power is on, push button S2 must be pressed to activate the system.

Table 1-1: Main Board Buttons

S1:

Next/Right/Select

S5:

Vol-

S13:

Lid Open

16 CRD7410-HE User’s Guide - DS621UMC2

S2:

Play/Pause/Up

S6:

Vol+

S3:

Stop/Down

S7:

Hold

S4:

Previous/Left/Delete

S14:

Power On

1.2.4.3 Remote Controller

Figure 1-10 shows a close-up view of the remote controller, which is part of the User Interface Subsystem.

User inputs are implemented with 8 push buttons, one switch (Hold) and one headphone output.

The Hold button prevents inadvertent button presses while it is engaged. This allows the unit for instance, to be worn while jogging or other activity without unwanted button activity.

Table 1-2 shows the functions of the push buttons and switch shown in Figure 1-10.

S1 S2 S3 S4 S5 S6

Board Architecture

Table 1-2: Remote Controller Buttons

Note: When the power is on, push button S5 must be pressed to activate the system.

S1:

Next/Right

S5:

Play/Pause/Up

S9:

Hold Switch

Figure 1-10. Remote Control Buttons

S2:

Vol-

S6:

Vol+

Stop/Down

Previous/Left/Delete

Headphones

Jack

S3:

Select/AB Repeat/Program

S7:

Navigator/Menu

S4:

S8:

Board Architecture

1.2.4.4 CD Loader Subsystem

The CRD7410-HE provides direct support for common servo chipsets. The devices incorporated into the CRD7410-HE servo system are:

• SAA7824HL - (U301) CD audio decoder, digital servo and filterless DAC with integrated pre-amp and laser control. Refer to Figure 1-11.

• MM1538XQ - (U201) 4-channel Motor Driver and DC-DC control. Refer to Figure 1-12.

• TPP381 - CD Loader Mechanism. Refer to Figure 1-12.

This design implements a power-save-mode circuit to maximize battery life.

Because of the capabilities built into the CS7410, no separate microcontroller is needed.

Figure 1-11. Servo Subsystem

Figure 1-12. CD Loader

18 CRD7410-HE User’s Guide - DS621UMC2

1.2.4.5 Power Subsystem

The Power Subsystem provides power to all system components. It consists of:

• The 5 Volt power input connector (J2).

• The AA battery supply mounts (J1) and Battery Supply On/Off switch (SW3).

• A MM1538XQ DC-to-DC converter, to generate the main system voltage (3.0 V).

• The potentiometer and a comparator circuit for Power Subsystem battery monitoring (U1 - Dual Comparator - BA4510).

• Voltage regulators to generate the 1.8 V levels needed for the CS7410 core (U10 - Voltage Regulator - LM393M).

Board Architecture

Figure 1-13. Power Subsystem

1.2.4.6 Debug Interface

There is a debug interface and Romulator connector to provide test and debug facilities.

The following connectors are provided (see Figure 1-14, below):

• J11 - I2C debug (be sure to match pin 1 to pin 1 when connecting the I2C debug cable from the Romulator to J12).

• J401 - Romulator connector (be sure to match pin 1 to pin 1 (as marked on the connectors) when connecting the buffer card connector from the Romulator to J401).

• J402 - Romulator select (install a jumper between pin 1 and pin 2 to select Flash mode, or install a jumper between pin 2 and pin 3 to select Romulator mode)

Board Architecture

Figure 1-14. Debug Subsystem

1.2.4.7 Jumpers and Switches

Switches

• S13 - Button Hold

• S14 - Lid Open

• S15 - Not Used

• S16 - Reset

Jumpers

• JP1 – When closed, the power supply will be enabled.

• JP2:JP3 – When closed, the system power will be 3.1v;when open the system power will be 2.6-2.8v.

• JP4 – When closed, the system does not check the status of the Lid Open switch (S13).

• JP5, – when closed, S13 will be disabled.

• JP6, – when closed, S14 will be disabled.

• JP7, – when closed, S15 will be disabled.

• JP8, – when closed, S16 will be disabled.

20 CRD7410-HE User’s Guide - DS621UMC2

Chapter 2

2.1 User Interface

This document describes the reference user interface for the CS7410-HE firmware. The user interface supplies the required UI APIs as specified in the “CS7410HE Firmware Architecture Specification” and relies upon the services provided by that architecture. It is easy to understand, easy to customize, and easy to expand.

The hardware available for use by the user interface consists of six push buttons (Play/Pause/Up, Stop/Down, Previous/Left, Next/Right, Vol+, Vol-) and two switches (Lid Open, Hold) on the HE board, and eight push buttons (Play/Pause/Up, Stop/Down, Previous/Left, Next/Right, Navigator/Menu, Select, Vol+, Vol-), one switch (Hold) on the remote control, an LCD (which is twenty columns by four rows of text, 8X6 characters) in Remote CTL. These buttons and switches on the HE board and remote control are independent.

The CS7410 version 6.0 firmware assumes availability of eight push buttons, two switches, and an LCD (which is twenty columns by eight rows of text). The eight push buttons are used for the following functions:

2User Menu Selections

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.

Previous/Left/Delete:

• 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.

• In radio mode, this button deletes previously created pre-sets.

User Menu Selections

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.

Select/ A

• This button is used to select items when displaying a menu.

• Pressing this button while playing sets the A point for the A mode. Pressing it again will set the B point and enable the A Repeat mode. Pressing it a third time will cancel the A mode.

• Pressing this button while stopped will enter the playlist menu.

Navigator/Menu:

• Pressing this button will enter/leave the file system Navigator menu.

• Holding this button will enter/leave the Main menu.

• Pressing this button while stopped will leave the Playlist menu.

Vol+:

• Pressing this button will turn the volume up by one. Holding this button will repeatedly turn the volume up.

Vol-:

• Pressing this button will turn the volume down by one. Holding this button will repeatedly turn the volume down.

→B Repeat/Program:

→B Repeat

→B

→B Repeat

The two switches are used for the following functions:

Lid Open:

• This switch is used to detect whether the lid of the CD player is opened or closed.

Hold:

• This switch is used to disable the buttons. When enabled, the player will ignore all buttons except the Hold button.

The LCD is used to provide status information to the user. Normally, the LCD will display information about the track currently being played. Various menu modes exist which will overlay the status information with a menu, allowing settings to be changed, playlists to be loaded, etc. Additionally, these menu modes change the functions of some of the buttons.

22 CRD7410-HE User’s Guide - DS621UMC2

2.1.1 System Start-up

When the player is first powered on, it will initialize the LCD and display the following screen.

The number at the end of the last line is the number of tracks currently read from the disc. Every 0.5 seconds, the number of tracks is updated.

User Menu Selections

Figure 2-1. Power On Screen

Once the disc scan has completed, the player will check for update files. If any are found, it will display the following screen:

Figure 2-2. Checking for Update Files Screen

If an update file is found that is newer than the current firmware, the player will display the following screen:

User Menu Selections

Figure 2-3. Loading Updated Firmware Screen

When the firmware has been updated, the player will restart and the new firmware will be run.

If there is a problem with the disc, the player will report that fact to the user interface. In this case, an appropriate message will be displayed on the LCD for five seconds, after which the player is powered off. The following is an example screen for the case where a bad disc is found:

Figure 2-4. Bad Disc Screen

If the disc has been recognized and scanning has been completed, the Normal screen will then be displayed. The user interface will automatically start playback after the player finds a good disc.

Figure 2-5. Normal Operation Screen (Play)

24 CRD7410-HE User’s Guide - DS621UMC2

When paused, the following screen will be displayed.

Figure 2-6. Normal Operation Screen (Pause)

2.1.2 Normal (Default) Start-up Mode

The default mode of the player at power on is Play. Refer to Figure 2-5 and Figure 2-6.

User Menu Selections

The MMM field corresponds to the current playback mode, which can be one of the following values:

Value Meaning

A All tracks on the disc are played in the order encountered.

When the last track has been played, the player stops. This is the default playback mode.

1 Only the current track is played. When the track has been

played, the player stops.

D Only the tracks in the same directory as the current track

are played. When the last track in the directory has been played, the player stops.

RA All tracks on the disc are played in the order encountered.

When the last track has been played, the player continues by playing the first track.

R1 Only the current track is played. When the track has been

played, the player replays the current track.

RD Only the tracks in the same directory as the current track

are played. When the last track in the directory has been played, the player continues by playing the first track in the directory.

SA All tracks on the disc are played in a random order. When

all tracks have been played, the player stops.

User Menu Selections

S1 Only the current track is played. When the track has been

played, the player stops. Skipping to the next or previous track will go to a random track.

SD Only the tracks in the same directory as the current track

are played, but in a random order. When all tracks in the directory have been played, the player stops.

RSA All tracks on the disc are played in a random order. When

all tracks have been played, they will all be played again in a different random order.

RS1 Only the current track is played. When the track has been

played, the player replays the current track. Skipping to the next or previous track will go to a random track.

RSD Only the tracks in the same directory as the current track

are played, but in a random order. When all tracks in the directory have been played, they will all be played again in a different random order.

IA The first portion of all tracks on the disc are played. When

all tracks have been played, the player stops.

IS The first portion of all tracks in the specified directory, and

all its subdirectories, are played. When all tracks in the list have been played, the player stops.

HA A portion from the middle of all tracks on the disc are

played. When all tracks have been sampled, the player stops.

a A

ab The B point is selected and the player seeks back to the A

The L field is an indicator that is set to L when the player is using a custom playlist. The custom playlist can either be one loaded from a playlist file on the disc or one created by the user. When playing from the default playlist, this indicator will be blank.

The K field is an indicator that is set to L when the Hold switch is on, causing the buttons to be ignored by the user interface. When the Hold switch is off, this indicator will be blank.

→B Repeat mode is enabled, but only the A point is

selected. During this time, the player is set to play all tracks on the disc in non-shuffled mode.

point whenever the B point is encountered.

The time in the upper right corner of the screen is the current playback time.

The second line contains the following items:

26 CRD7410-HE User’s Guide - DS621UMC2

User Menu Selections

Format

• This indicates the format of the audio on the disc. It will be CDDA, MP1, MP2, MP3, WMA, VCD, AVCD, or SVCD.

Sample Rate

• This indicates the sample rate of the PCM audio.

• It will be one of these ranges: 8kHz, 11kHz, 12kHz, 16kHz, 22kHz, 24kHz, 32kHz, 44kHz or 48kHz.

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 second (kbps).

The third line displays the current track number and the total number of tracks available.

The fourth line contains a scrolling string providing track information. The complete format of this string is TrackNum: Artist - Song (Length), where TrackNum is the number of the track on the disc, Artist is the name of the artist, Song is the name of the song, and Length is the length of the track in minutes and seconds (i.e. xx:xx). If the artist name is not known, just the song name will be used. If the song name is not known, the file name will be substituted for the song name. If neither is known, the file name will be used in place of the artist name and song name (i.e. TrackNum: Filename (Length)). This string will not be scrolled if it is short enough to fit on the display without scrolling.

During normal operation, these two variants of the screen (Figure 2-5 and Figure 2-6) are all that will be seen. When settings are changed though, the screen will be modified (or replaced) to provide feedback of that change.

When the volume is changed via the Vol+ and Vol- buttons, the bottom line will be replaced with the volume indicator.

Figure 2-7. Volume Adjust Screen

User Menu Selections

The top three lines will continue to operate as before, with the bottom line indicating the current volume setting. Once the volume has remained unchanged for a period of time, the volume indicator goes away and the Normal display returns.

Pressing the Navigator/Menu button will enter navigator mode and the following screen is displayed.

Figure 2-8. Navigator Mode Screen

The arrow 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, and the playback mode set to A. Similarly, a directory can be highlighted and selected by pressing the Select button. Selecting a directory will cause its contents to be played back and the playback mode set to S. If in navigator mode with no button activity for a period of time, the screen reverts to Normal mode.

If the Select/A stopped, the playlist selection mode will be entered and the following screen displayed:

→B Repeat/Program button is pressed while the player is

Figure 2-9. Playlist Select Menu

The arrow buttons can be used to highlight a playlist, which is then selected by pressing the Select/A cause the contents of that playlist to be loaded as a custom playlist, playback

28 CRD7410-HE User’s Guide - DS621UMC2

→B Repeat/Program button. Selecting a playlist will

User Menu Selections

started, and the playback mode set to A. If in playlist selection mode with 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 (with <name> replaced with the name of the playlist file).

Figure 2-10. Loading Playlist Screen

After the playlist has been read from the playlist file, the playback mode is set to A, playback commenced, and the screen reverted to normal mode.

Selecting the {new} item enters the playlist creation mode, and the following screen is displayed.

Figure 2-11. Create Playlist Screen

The number on the first line is the playlist index of the track currently being programmed. Like in navigator mode, files are selected with the arrow buttons. Pressing the Select/A custom playlist. Pressing the Navigator/Menu button will complete the custom playlist, return the screen to normal mode, set the playback mode to A, and start playback of the custom playlist.

→B Repeat/Program button will add the file to the

User Menu Selections

2.2 Main Menu

Control of the CRD7410-HE ia accomplished through a series of menus originating with the Main Menu. Refer to Figure 2-12.

Main menu

Audio Source

Playmode

3D Enhancement

Backlight Mode

Resume

Power Off Time

Increase (Play/Pause/Up)

Decrease (Stop/Down)

User EQ

Order Track

By dir By a rt-trk By a lb-trk By a rt-alb-trk

Firm ware Versio n

[CD ]

[AM ]

[FM ]

A, 1, D, RA, R1, RD, SA, S1, SD, RSA, RS1, RSD, IA, IS, HA, a, ab

Off

Always Off

Automatic

Always On

Off On

Sleep Timer

ESP

Lyrics

Sc rolling

Increase (Play/Pause/Up)

Decrease (Stop/Down)

Normal

Rock

Jazz

Classical

Bass

Custom

None

Uncompressed

Compressed

Off On

On Off

CRD7410-HE Menu Map

60Hz

+ Play/Pause/Up

150Hz

400Hz

1kHz

2kHz

6kHz

15kHz

- Stop /Dow n

+ Play/Pause/Up

- Stop /Dow n

+ Play/Pause/Up

- Stop /Dow n

+ Play/Pause/Up

- Stop /Dow n

+ Play/Pause/Up

- Stop/Down

+ Play/Pause/Up

- Stop/Down

+ Play/Pause/Up

- Stop/Down

Figure 2-12. CRD7410-HE Menu Map

30 CRD7410-HE User’s Guide - DS621UMC2

User Menu Selections

Holding the Navigator/Menu button will enter Menu mode and display the following screen.

Figure 2-13. Main Menu Screen

The Up and Down buttons will highlight a menu item. Pressing the Select button will enter the setting screen for that item. The asterisk (*) denotes the cursor position.

The following is a list of the items in the main menu:

Audio Source

•CD

• AM (Disabled in CRD7410-HE)

•FM

Play Mode

• A, 1, D, RA, R1, RD, SA, S1, SD, RSA, RS1, RSD, IA, IS, HA, a, ab

EQ (Preset)

• Normal, Rock, Jazz, Classical, Bass, Custom

3D Enhancement

•Off

•On

Electronic Shock Protection (ESP)

• None

• Uncompressed (No ADPCM + ESP)

• Compressed (ADPCM + ESP)

User Menu Selections

Backlight Mode

•Always Off

• Automatic

•Always On

Power off Time

• 0-15 minutes

Lyrics

• Off

• On

Resume

• Off

• On

Scrolling

• On

• Off

Sleep Timer

• 0-120 Minutes in 15-minute increments

User EQ

• Displays the User EQ (user-defined EQ) menu screen

Order Tracks

• Normal

• By dir

• By art-trk

• By alb-trk

• By art-alb-trk

Firmware Version

• Displays the Firmware version

The order of the menu items can be changed, and items can be added or removed.

32 CRD7410-HE User’s Guide - DS621UMC2

2.2.1 ESP Mode

User Menu Selections

Selecting the ESP item from the Main menu will display the following screen.

Figure 2-14. Electronic Shock Protection (ESP) Screen

The X in the box indicates the current setting of the ESP item, the asterisk (*) denotes the cursor position. Highlighting a different setting and pressing the Right button will change the setting. Pressing the Select button will go back to the parent menu. The actual values for the Uncompressed and Compressed settings are based on the size of the ESP buffer. It will be ~45 and ~180 seconds if a 8 MB DRAM is used and ~11 and ~45 seconds if a 2 MB DRAM is used.

2.2.2 Backlight Mode

Selecting the Backlight menu item displays this screen.

When the backlight setting is set to Always Off, the backlight is kept off at all times. If it is set to Always On, it is kept on at all times. If it is set to Automatic, it is turned on whenever a button is pressed. If no buttons are pressed for 5 seconds, the backlight is turned off. The asterisk ( position.

Figure 2-15. Backlight Screen

*) denotes the cursor

User Menu Selections

2.2.3 Lyrics

Selecting the Lyrics menu item displays this screen.

Figure 2-16. Lyrics Screen

The X in the box indicates the current setting of the Lyrics item. The asterisk (*) denotes the cursor position. Highlighting a different setting and pressing the Right button will change the setting. Pressing the Select button will go back to the parent menu.

2.2.4 Resume

When the Lyrics setting is set to On, if the track which is playing has lyrics on disc, the 4

When the Lyrics setting is set to Off, if the track which is playing has lyrics on disc, the 4 lyrics.

Selecting the Resume menu item displays this screen.

line of LCD will display the lyrics of the track.

line of LCD will only display the name of the track, not display the

Figure 2-17. Resume Screen

The X in the box indicates the current setting of the Resume item. The asterisk (*) denotes the cursor position. Highlighting a different setting and pressing

34 CRD7410-HE User’s Guide - DS621UMC2

User Menu Selections

the Right button will change the setting. Pressing the Select button will go back to the parent menu.

2.2.5 Scrolling

When the Resume setting is set to On and the user opens the Lid, the CRD7410-HE will remember the current time of the current track on that disc. When the user replays that disc, the system will begin playing from the point on the disc when the lid was opened (for that disc). However the function only remembers the last five (5) discs that have been played. When the 6 inserted, the information for the 1

When the Resume setting is set to Off, the CRD7410-HE will not have the Resume function.

Selecting the Scrolling menu item displays this screen.

disc is overwritten.

disc is

Figure 2-18. Scrolling Screen

The X in the box indicates the current setting of the Scrolling item. The asterisk (*) denotes the cursor position. Highlighting a different setting and pressing the Right button will change the setting. Pressing the Select button will go back to the parent menu.

When the Scrolling setting is set to On and the information that displays on 4 line of LCD (artist, album, or track name) is significantly longer than the length of the LCD's line, the information will scroll accross the 4 Therefore, It will display the entire contents.

When the Scrolling setting is set to Off and the information that displays on 4 line of LCD (artist, album, or track name) is significantly longer than the length of the LCD's line, the 4 of the information.

line of the LCD will only display the first 20 characters

line of the LCD.

User Menu Selections

2.2.6 Power Off Time Menu

Selecting the Power Off Time menu item displays the following screen.

Figure 2-19. Power Off Time Screen

If the Power Off Time is not zero, the player will be put into Soft Power Off mode after the specified number of minutes of inactivity (i.e. no button presses while the player is in Stop mode).

2.2.7 Audio Source Menu

Selecting the Audio Source menu item displays the following screen.

The X in the box indicates the current setting of the Audio Source item. The asterisk ( pressing the Right button will change the setting. Pressing the Select button will go back to the parent menu. When the audio source setting is set to CD, the tuner will be disabled and the data from disc will be played MP3/WMA/CDDA/VCD/AVCD/SVCD. If it is set to AM or FM, the tuner will be enabled. This selection can only be made when player is in Stop mode. The default setting of the Audio Source item is CD.

*) denotes the cursor position. Highlighting a different setting and

Figure 2-20. Audio Source Screen

Note: While the CRD7410-HE firmware supports an AM/FM tuner, the

36 CRD7410-HE User’s Guide - DS621UMC2

current hardware only supports FM mode. This menu item appears in the Audio Source menu but is inactive. Selecting it will do nothing.

2.2.8 Playback Mode Menu

Selecting the Playback Mode menu item displays the following screen.

User Menu Selections

Figure 2-21. Playback Mode Screen

The MMM field corresponds to the current playback mode, which can be one of the following values:

Value Meaning

A All tracks on the disc are played in the order encountered.

When the last track has been played, the player stops. This is the default playback mode.

1 Only the current track is played. When the track has been

played, the player stops.

D Only the tracks in the same directory as the current track

are played. When the last track in the directory has been played, the player stops.

RA All tracks on the disc are played in the order encountered.

When the last track has been played, the player continues by playing the first track.

R1 Only the current track is played. When the track has been

played, the player replays the current track.

RD Only the tracks in the same directory as the current track

are played. When the last track in the directory has been played, the player continues by playing the first track in the directory.

SA All tracks on the disc are played in a random order. When

all tracks have been played, the player stops.