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User Manual of High-End RDS/EON
Car Radio System CCR612 (V0.3)
Application Note
96029
Modification with respect to old documents:
This document replaces the following two documents:
User Manual of Computer Controlled Car Radio System CCR612 V0.2 AN95081
Diagrams and Performance of R(D)BS Car Radio CCR612 with Cassette Deck and CDC Changer
(V1.1) AN95070
Change history of: User Manual of High-End RDS/EON Car Radio System
CCR612S
Modifications with respectto theapplication note "User Manual ofHigh-End RDS/EON CarRadio System
CCR612S (Version 0.2)", report number AN95081.
1. Added use of moretypes of Sofac(TEA6320, TEA6321, TEA6322, TEA6323),adapted sound setting
2. Band selection diode 2 moved to other pin
3. Sleeptimer changed from 30 minutes to 1 hour
Modifications withrespect to theapplication note "User Manual ofHigh-End RDS/EON CarRadio System
CCR610S (Version 0.1)", report number AN94065.
1. TEA6821 replaced by TEA6822.
2. Frequency counter resolution for FM changed from 5 kHz to 6.25 kHz.
3. Volume level during traffic announcements made adjustable by the user in the option programming
menu.
4. PTY search algorithm changed.
5. Functionality of PTY icon changed.
6. Manual tuning algorithm changed.
7. For MW band only tuning on grid is possible.
8. Manual tuning grid for USA option changed from 50 kHz to 100 kHz.
9. Search tuning grid for USA option changed from 100 kHz to 200 kHz.
10. Pin 9 of the microcontroller (SECUR) not used any more (security functionality stays the same).
11. Input added for "Phone mute".
12. Checking on not initialized EEPROM and preprogramming them with default values (listed in
appendix II) at radio switch on.
13. Polarity of pin EXSTAT changed.
14. Crystal frequency of microcontroller changed from 8.664 MHz to 12 MHz.
15. PTY code not longer stored in EEPROM.
16. When RDS regional mode is on, the radio is now also allowed to switch over to stations with the
same PI-code but its regional code set to "Supra regional".
17. Display message during AST search changed from "AST SCAN" to "STORE".
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