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Atmel
®
provides a complete DAB solution including RF front end and DAB (Eureka 147) decoding baseband
IC. The DAB baseband processor ATR2740 is a system-on-chip (SoC) solution with extended functionality.
Its fl exibility enables the implementation of additional application-related features facilitated by the soft-
ware and hardware architecture of the ATR2740.
DAB System-on-Chip IC ATR2740
AUTOMOTIVE BROADCAST RADIO
The ATR2740 is a powerful, reliable, and simple solu-
tion for all DAB-related functions. Users do not need
extensive DAB expertise, rather they only need to
consider the application-specifi c aspects such as
keypad, display, interface confi guration, and exter-
nal control.
SoC Design Philosophy
Full Functionality of all DAB Layer-1-related
Tasks: all Modes, Protection Levels, and Profi les
Conform to Eureka 147 and ETSI EN 300 401
Easy External Control (Supported by Software
and Hardware)
FIC (Fast Information Channel) and MSC (Main
Service Channel) Decoding
Data Decoding of X-PAD and N-PAD Informa-
tion
Output of Receiver-related Parameters (e.g.,
BER Calculation, Synchronization Parameters,
etc.)
Decoding and Porting of Broadcast-related Infor-
mation (e.g., Service Information, Labels, etc.)
Status and Further Information about Receive
Channel and Reception Condition
Time and Frequency Synchronization
Data Decoding in Parallel to Audio Decoding
Optimized Weak-signal Support
Dynamic Range Control
DMB Support via Serial Synchronous and USB
Interfaces
Window Signal for Null Symbol and Synchroni-
zation Lock Indicator
SPDIF and I
2
S Audio Interface with a Large
Variety of Formats Supported
Automotive Version Qualifi ed to AEC-Q100
BGA and LQFP Package
Features and Benefi ts