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TDA7505 Datasheet(PDF) 7 Page - STMicroelectronics |
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TDA7505 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 38 page TDA7505 Block diagram 7/38 2 Block diagram Figure 1. Block diagram X Ram 4096 X Rom 4096 Y Ram 40969 P Ram 4096 P Rom 16384 Xchg Interface P Ram 4096 P Rom 16384 Y Ram 4096 INT NRESET 4 VDD GND 4 Debug Interface 5 ADCVDD ADCGND Debug Interface ADC-ref X Ram 4096 Debug/Test Grp & blk sync., error correction RDS Filter SPI/ IIC Demod. PLL Clock Generator SPDIF 2ch. Interface SAI 6ch. Receiver 2 SAI Transmitter 2 3 4 10 word SPI 1 receive stack 4 SPI 2 IIC / SPI 1 6 Ch. Audio Bus receive bit&wordclk digital audio in SPDIF audio in 6 Channel Audio Bus μP control Display μP ΣΔ DAC-ref DACVDD DACGND Oversampl. Filter Oversampl. Filter Noise Shaper Noise Shaper Decimation Audio Decimation FM/Audio 8.55MHz CLK in Crystal Oscillator analog audio in ΣΔ ΣΔ ΣΔ SC Filter SC Filter SC Filter SC Filter analog audio out AVDD AGND 2ch sample rate converter AM/FM level ADC DSP1 Orpheus Core Including 12 GPIO´s AM processing, FM processing, CD compression, Dolby B, MP3 DSP0 Orpheus Core Including 12 GPIO´s Audio processing, Sound processing, TAM, Echo & noisecancell. RDS Int. 8+3 External Memory Interface SRAM 4Mx8 17 Input Source Selector AM/FMLevel Qdiff. 3 AM/FM Mpx Mpx RDS Diff. 2 Navi. Diff. 2 Tel. Qdiff. 4 CD 2 CC RDSCS Oversampl. Filter Noise Shaper SC Filter SC Filter DRAM 64Mx4 SINCOS |
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