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SI47911 Folha de dados(PDF) 1 Page - Silicon Laboratories |
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SI47911 Folha de dados(HTML) 1 Page - Silicon Laboratories |
1 / 3 page Si47911/12 Copyright © 2015 by Silicon Laboratories 3.12.2015 ADC ADC ARM Cortex M3 IF AGC XTALI XTALO CLKO LNA LBI LBO B3I/WXI FMI FMO AGC LNA AGC LNA AGC LNA AGC B3O AMI AMO AMVAG DCLK0 DFS0 DOUT0 SPI/I 2C Flash Interface Power supplies 7:5 Mux DICLK4 DIFS4 DIN4 DCLK1 DFS1 DOUT1 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 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 (I2S) 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 |
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