digital radio receiver copyright ? 2 015 by silicon laboratories 3.3.2015 asrc/lo offset correction channel decoder ofdm demod dqpsk demod de-interleaver/ fec dab/dab+ decoder data processing demux i 2 c/spi host interface lout rout iin din1 difs1 diclk1 din2 difs2 diclk2 qin iqfs iqclk sclk/scl ssb/a1 miso/a0 mosi/sda intb rstb gpio 0 - n clk gen rclk/xtali xtalo flash interface nvsclk nvssb nvmiso nvmosi power vio va vmem vcore smode dfs dclk dout i 2 s asrc/i 2 s asrc/i 2 s si4614 SI4614-A10 low-power, high-perf ormance dab/dab+ baseband processor description the si4614 dab/dab+ radio processor provides significant advances in size, power consumption, and performance to enable dab/dab+ radio reception in automotive infotain ment systems and car radios. it is designed to work with the high-performance automotive si479x family of radio tuners. the low power high performance si4614 dab/dab+ radio processor provides channel demodulation and source decoding of dab/dab+ signals delivering audio and data. the si4614 radio processor provides dab/dab+ demodulation and decoding. in addition, the si4614 provides an integrated clock oscillator or accepts a reference clock and supports a selectable control interface (spi or i 2 c). the si4614 processor system specifies a low minimal bill of materials, notably eliminating an external ram memory module for channel decoding that is typically required in third party dab/dab+ radio processors. features - dab/dab+ demodulator - transmission modes i, ii, iii, iv detection and decoding - dab/dab+ audio decoder - pad/xpad outputs available - fic decoder - ensemble info - service list - component info - service linking info - full support for data services - packet mode - packet mode with data groups - enhanced packet mode - mot, tpeg packet outputs - no external ram required for channel decoding - flash memory interface for application program load - support for si479x zero-if digital at 2.048 ms/s - on-chip crystal oscillator - reference clock input - spi, i 2 c control interfaces - 7x7 mm 48-pin qfn package - 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 SI4614-A10 low-power, high-perf ormance dab/dab+ 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 ? 36.864 ? mhz reference clock accuracy ?100 ? 100 ppm reference clock duty cycle 45 ? 55 % crystal oscillator crystal oscillator frequency ? 36.864 ? 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 SI4614-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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