digital radio receiver copyright ? 2 015 by silicon laboratories 3.3.2015 src/channel filter channel decoder ofdm demod psk/qam demod de-interleaver/ fec hdc tm decoder data processing demux i 2 c/spi host interface iin qin iqfs iqclk sclk/scl ssb/a1 miso/a0 mosi/sda intb rstb gpio 0 - n blend flag clk gen rclk/xtali xtalo flash interface nvsclk nvssb nvmiso nvmosi power vio va vmem vcore smode dout dclk dfs i 2 s si4613 SI4613-A10 low-power, high-performance am/fm hd radio? baseband processor description the si4613 hd radio? radio processor provides significant advances in size, power consumption, and performance to enable hd radio reception in automotive infotainment systems and car radios as well as in high-end audio/video receivers and pro-audio systems. it is designed to work with the high-performance automotive si476x and si479x families of am/fm radio tuners. the si4613 hd radio processor supports the ibiquity and nrsc-5 standards for fm in-band-on-channel (iboc) and am iboc digital radio broadcasting. the processors support station information service (sis), service information guide (sig), pr ogram service data (psd), iboc multicasting, and hd radio digital audio. the si4613 implements a version of ibiquity?s cayenne hd radio core, optimized for low power, cost, and footprint. it features an extremely efficient viterbi decoder, thereby eliminating the need for an external sram memory module. the si4613 hd radio core utilizes ibiquity?s proprietary hdc codec to decode the hd radio signal and directs the hd radio audio ou tput to other system ics through an i2s digital audio interface. the si4613 enables many additional features, such as real-time traffic, itunes tagging and artist experience by providing the advanced application services (aas) payload to the external application processor. the si4613 hd radio core was co-developed by silicon labs and ibiquity and is the most advanced power-efficient hd radio processing core available today. features - am/fm hd radio channel decoder (si4613) - complete on-chip hdc audio source decoder - fm hd1, hd2, hd3 multicast support - station information service (sis) support - program service data (psd) - advanced application services (aas) payload for data applications - no external ram required for channel decoding - flash memory interface for application program load - on-chip crystal oscillator - reference clock input - spi, i 2 c control interfaces - qfn 48-pin, 7x7x0.85 mm - pb-free/rohs compliant - aec-q100 qualified applications - aftermarket car radio systems - oem automotive infotainment systems - oem automotive pnd docking systems
digital radio receiver copyright ? 2 015 by silicon laboratories 3.3.2015 silicon laboratories and silicon labs are trademarks of silicon laboratories inc. other products or brandnames mentioned her ein are trademarks or registered tr ademarks of their respective holders SI4613-A10 low-power, high-performance am/fm hd radio? baseband processor selected electrical specifications parameter symbol test condition min typ max unit analog supply voltage v a 1.71 1.8 2.0 v interface supply voltage v io 1.62 1.8 3.6 v core digital supply voltage v core 1.71 1.8 2.0 v memory supply voltage v mem 1.71 1.8 2.0 v reference clock reference clock frequency rclk ? 37.209 ? mhz reference clock accuracy ?100 ? 100 ppm reference clock duty cycle 45 ? 55 % crystal oscillator crystal oscillator frequency ? 37.209 ? mhz crystal frequency tolerance 37.209 mhz ?100 ? 100 ppm load capacitance 37.209 mhz ? ? 10 pf esr 37.209 mhz ? ? 50 ? ambient temperature t a ?40 25 85 c SI4613-A10 dimension min nom max a 0.80 0.85 0.90 a1 0.00 0.02 0.05 b 0.18 0.25 0.30 d7.00 bsc d2 5.20 5.30 5.40 e0.50 bsc e7.00 bsc e2 5.20 5.30 5.40 l 0.30 0.40 0.50 aaa 0.15 bbb 0.10 ddd 0.05 eee 0.08 notes: 1. all dimensions are shown in m illimeters (mm) unless otherwise noted. 2. dimensioning and tolerancing per asme y14.5m-1994. 3. this drawing conforms to the jedec solid state outline mo-220, variation vkkd-4. 4. recommended card reflow profile is per the jedec/ipc j-std-020 specification for small body components.
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