Digital Radio and Processing System-On-Chip

Product Details


HD Radio Technology

  • HD Radio signal decoding for AM and FM digital audio
  • Supports HD Radio single, dual and triple tuner use cases
  • HD all-digital mode support
  • SAF3604: On-chip FM-tuner for data service reception
  • Dual baseband input interface using I²S-bus derivative with I/Q
  • Secondary baseband interface for dual tuner applications
  • Data services support for HD Radio reception
  • Electronic Program Guide (EPG)
  • Off-chip LOT processing
  • Enhanced reception through Maximum Ratio Combining (MRC)


  • DRM signal decoding for AM and FM digital audio
  • Prepared for dual DRM support with background scanning or data services from second station
  • Frontend to baseband interface through serial I²S-bus type interface
  • Prepared for secondary baseband interface for dual tuner applications
  • Channel decoder reception improvements
  • Supports xHE-AAC codec
  • Prepared for DRM+

DAB, DAB+ and T-DMB Radio Technology

  • Dual reception processing with on-chip dual DAB front-end, ADC, memory and source decoding
  • Data service reception and filtering
  • Full dual ensemble processing (2 × 1.8 Mbit/s)
  • Optional third tuner input via serial I2S-bus type interface
  • Integrated DAB-FM/ DAB-DAB time alignment and seamless blending
  • Integrated support for all actual audio codecs (AAC, HE-AAC, MP2, BSAC)
  • (Optional) Additional features:
    • Reception improvement algorithms for single antenna systems delivering additionally improved BER
    • Diversity reception improvement through advanced Maximum Ratio Combining (MRC) algorithms leveraging dual antenna diversity
    • Third external tuner supports enabling background service scan or data services in case of two primary Saturn tuners are used for antenna diversity reception

Digital Audio

  • Up to 6 channel (5.1) audio support through TDM audio interface or triple I2S
  • Programmable audio sample rate converter (8 kHz to 48 kHz) for up to 6 channels
  • I2S audio input for auxiliary processing
  • Optional SRC (8 kHz to 48 kHz) for I2S-bus input
  • Optional support for input and output 96 kHz sample rate conversion
  • Basic audio processing for external digital audio sources
  • Advanced audio processing (contact NXP for a list of supported audio processing features

Other Peripheral Interfaces

  • Two I2C-bus interfaces
  • Two Serial Peripheral Interfaces (SPI)
  • One High-Speed Serial Peripheral Interface (HS-SPI)
  • One UART interface
  • 16 individual GPIO pins for applications and diagnostics
  • One JTAG interface for diagnostics

Additional Features

  • Secure boot, image authentication
  • Identical radio architecture with the same chip and specific software for various standards including DAB, HD Radio and DRM
  • Radio control reuse from SAF356X with same API
  • In field software upgrade possibility
  • One internal clock oscillator and two internal Phase-Locked Loops (PLL)
  • Powerful signal, audio processing core architecture
  • Qualified in accordance with AEC-Q100
  • Remark: Not all features are available on all variants or in all combinations. Contact NXP sales for more information.

Target Applications

  • Application depends on usages and reception standard

Part numbers include: SAF3600EL, SAF3601EL, SAF3602EL, SAF3604EL, SAF3606EL, SAF3607EL.


Quick reference to our documentation types.

2 documents


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