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HD radio
With hundreds of stations already licensed for HD Radio transmission, NXP delivers a high- performance and truly cost-effective baseband processor for HD radio sets. The SAF3550 HD Radio processor adds high quality digital AM and FM functionality to our complete car radio portfolio. Helping you stay in front with the latest developments in high quality sound, our latest innovation paves the way to interference-free, in-car CD-quality sound with a host of information services.
The chip incorporates HD Radio decoding and is optimized in hardware and software to deliver a dedicated single-chip solution, while remaining flexible for future HD Radio features. Compared to existing devices, the SAF3550 provides the highest integration level in the smallest footprint, enabling very cost-efficient signal demodulation and processing. Its unique design also enables manufacturers using NXP's tuner front-ends and CarDSPs to extend their existing designs with minimal effort.
In combination with NXP's CarDSPs, the SAF3550 provides manufacturers with a flexible chipset enabling listeners to easily enjoy interference-free digital audio broadcasts and wireless data services.
SAF3550 key features
- HD Radio digital baseband processing
- HD Radio - digital audio broadcast signal decoding for AM/FM, hybrid (AM/FM plus digital) and digital modes
- blend control generation for hybrid modes
- HD CODEC audio decompression
- MPS (Main Program Service) and PAD (Program Associated Data) decoder
- SIS (Station Information Service) decoder
- Powerful ARM946 processor core with on-chip cache
- Programmable baseband input and audio output sample rate converters
- Range of industry standard memory, application, diagnostics and control interfaces
- Small footprint (HLQFP-144)
- Automotive temperature range
SAF3550 key benefits
- Cost-effective, single-chip baseband processor
- Optimized hardware and software delivers the highest level of integration and performance
- Fully compatible with NXP's CarDSPs including the SAF7730 and respective tuner front-ends, such as the TEF6721
- delivers a complete low chip count HD Radio solution
- allows simple upgrade from existing AM/FM designs
- no additional glue logic required
HD Radio key benefits
- Digital signal transmitted simultaneous to analog in existing broadcaster allocated channel (hybrid mode: digital side bands)
- Compatible with current infrastructure at transmitter and receiver
- Smooth transition period for broadcasters and radio makers
- All-digital mode foreseen in HD Radio system specification