SI47911/12 copyright ? 2015 by silicon laboratories 3.12.2015 adc adc arm cortex m3 if agc xtali xtalo clko icp icn lna lbi lbo b3i/wxi fmi fmo agc lna agc lna agc lna agc b3o ami amo amvag dclk0 dfs0 dout0 intb rstb nvsclk nvssb nvmosi nvmiso miso/a0 mosi/sda sclk/scl ssb/a1 smode spi/i 2 c flash interface vd va vio2 vio1 power supplies 7:5 mux ain0p ain0n ain1p ain1n ain2p ain2n ain3p ain3n ain4p ain4n ain5p ain5n ain6n ain6p aout5 aout4 aout3 aout2 aout1 aout0 diclk3 difs3 din3 diclk4 difs4 din4 dclk1 dfs1 dout1 diclk2 difs2 din2 diclk1 difs1 din1 diclk0 difs0 din0 adc adc adc adc adc audio input port 3 audio input port 4 audio output port 1 audio input port 2 audio input port 1 audio input port 0 audio output port 0 program ram data ram debugp debugn isfsp isfsn zifiout zifclk zifqout ziffs dacref dac dac dac dac dac dac gp2 gp1 gp0 audio hub + audio dsp (hi-fi2 ep) radio dsp features - worldwide fm band support (64?108 mhz) - worldwide am band support (520?1710 khz) - lw band support (144?288 khz) - sw band support (2.3?30 mhz) - dab/dab+/dmb support (170?240 mhz, ? 1452?1492 mhz) (si47912 only) - noaa weather band support - on-chip soft-decision rds/rdbs demodulator/decoder - am/fm: - comprehensive am/fm signal processing firmware - integrated active am/fm buffers for background/data tuners - analog fm phase diversity with two, three or four ? tuners - fully integrated agc for am and fm inputs - hd radio: - digital i/q interface to hd radio processor - hd radio mrc with two, three, or four tuners - am/fm hd radio iboc blend - fast fm hd radio band scan - aeq-q100 qualified' - dab/dab+/dmb (si47912 only): - digital i/q interface to dab/dab+/dmb processor - dab/dab+/dmb mrc with two, three, or four tuners - integrated active band iii/l-band buffers for ? background/data tuners - fast dab/dab+/dmb band scan - fully integrated agc for band iii and l-band inputs - audio: - hifi2-ep audio-dsp with 288 kb for program and data memory - seven analog audio inputs - six analog audio outputs - seven digital audio ports (i 2 s) with tdm support - up to 24 synchronous or asynchronous sample rate converters - frequency synthesizer with fully integrated pll-vco - integrated clock oscillator - 1.8 v or 3.3 v digital io power supplies - 3.3 v analog power supply and 1.8 v digital power ? supply - qfn 84-pin, 12x12x0.85 mm - pb-free/rohs compliant description the SI47911/12 integrates global radio receiver with audio processing. the analog am/fm receiver sets a new standard for automotive broadcast reception. the integrated audio processing sub-system provides a complete solution to synchronize, process, aggregate and distribute digital and analog audio signals in the head-unit. the SI47911/12 is the most integrated monolithic ic in the industry with the smallest external bill of materials. SI47911/12 based systems can scale from low-cost single tuner am/fm radio to the highest performance systems with multiple tuners and multiple antennas, enabling radio suppliers to reuse r&d across multiple product lines, all with a common software api. the SI47911/12 meets rigorous automotive quality standards. applications - automotive oem infotainment systems - aftermarket car radio systems SI47911/12 high-performance automotive am/fm radio receiver and hd radio?/dab/dab+/dmb/drm tuner with audio system
SI47911/12 copyright ? 2015 by silicon laboratories 3.12.2015 pin assignments package information ziffs 48 zifqout 49 zifclk 50 zifiout 51 isfsn 52 isfsp 53 debugn 54 nc 8 dacref 7 xtali 6 xtalo 5 clko 4 nc 3 nc 2 aout3 1 fmi 10 nc 9 f ain6p 31 ain2p 23 ain2n 24 ain3p 25 ain3n 26 ain4p 27 ain4n 28 ain5p 29 aout2 84 aout1 83 aout0 82 icp 81 icn 80 difs0 79 diclk0 78 din0 77 gp0 76 gp2 75 vd 45 dbyp 46 gp1 74 din1 73 ssb/a1 43 vio1 44 ain6n 32 rstb 33 ami 12 nc 11 f vio2 47 abyp 17 nc 16 nc 15 fmo 14 amvag 13 ain0p 19 va 18 f ain1p 21 ain0n 20 ain1n 22 ain5n 30 miso/a0 40 smode 34 nvmiso 35 nvmosi 36 nvssb 37 nvsclk 38 mosi/sda 41 sclk/scl 42 intb 39 dout1 58 dfs0 59 dclk0 60 dout0 61 nc 62 nc 63 debugp 55 dfs1 56 dclk1 57 diclk1 72 difs1 71 din2 70 diclk2 69 difs2 68 nc 67 nc 66 nc 65 nc 64 dimensions min nom max a 0.80 0.85 0.90 a1 0.00 0.03 0.05 b 0.20 0.25 0.30 d 12.00 bsc. d2 5.40 5.50 5.60 e 0.50 bsc. e 12.00 bsc. e2 5.40 5.50 5.60 l 0.35 0.40 0.45 aaa ? ? 0.10 bbb ? ? 0.10 ccc ? ? 0.08 ddd ? ? 0.10 notes: 1. all dimensions shown are in millimeters (mm) unless otherwise noted. 2. dimensioning and tolerancing per ansi y14.5m-1994. 3. recommended card reflow profile is per the jedec/ipc j-std-020 s pecification for small body components. SI47911/12 high-performance automotive am/fm radio receiver and hd radio?/dab/dab+/dmb/drm tuner with audio system
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