TDA7500

® TDA7500 DIGITAL AM/FM SIGNAL PROCESSOR PRODUCT PREVIEW FULL SOFTWARE FLEXIBILITY WITH TWO 24X24 BIT DSP CORES AM/FM PROCESSING AUDIO-PROCESSING AND SOUND-PROCESSING HARDWARE RDS FILTER, DEMODULATOR & DECODER INTEGRATED CODEC IIC AND SPI CONTROL INTERFACES SPI DEDICATED TO DISPLAY MICRO 6 CHANNEL SERIAL AUDIO INTERFACE SAI SPDIF RECEIVER WITH SAMPLE RATE CONVERTER EXTERNAL MEMORY INTERFACE DOUBLE DEBUG INTERFACE ON-CHIP PLL 5V-TOLERANT 3V I/O INTERFACE MULTIFUNCTION GENERAL PURPOSE I/O PORTS BLOCK DIAGRAM Mute TQFP100 Power with Slug Down DESCRIPTION The TDA7500 is an integrated circuit implementing a fully digital, integrated and advanced solution to perform the signal processing in front of the power amplifier and behind the AM/FM tuner or any other audio sources. The chip integrates two 43 MIPs DSP cores: one for stereo decoding, noise blanking, weak signal processing and multi- analog audio in AM-IF CC CD tel,navi AM/FM lev. AM/FM mpx RDS mpx 1 2 3 4 2 3 1 supply Cref 2 2 AM Noise Detector VS 3 SigGnd RefOut Input Multiplexer, Analog Level Adjust IIC 2 channel analog bypass CODEC-ref Output Analog Volume Control, select. Line Driver 6 signal/line out 4 Σ∆ Modulator Σ∆ Modulator Σ∆ Modulator Σ∆ Modulator Main micro VDD GND 3 2 Decimation Filter Decimation Filter DAC-ref 6 Voltage Ref. Codec Ctl Reg. Test I/F uP control (4 I/O's) 4 IIC / SPI SPI XTAL Osc., PLL Ext. Memory Interface Serial Audio Interface SPDIF Interface Mux Grp & blk RDS sync., error De...