DESCRIPTION
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 Demod. Filter correction Exchange Interface Oversampling Filter Oversampling Filter Oversampling Filter Noise Shaper Noise Shaper Noise Shaper X bus 0 SC Filter SC Filter SC Filter SC Filter SC Filter SC Filter X Register Ram 512 Y Register Ram 512 Program Ram 5632 Rom 256 Display uP (4 I/O's) 4 Spectrum Analyser CLK in Audio Bus Synch. 8.55MHz Data, ctl 8+3 128k (4M) x 8 17 Address (1 I/O) Audio Bus 6 ch. 3 dig. aud. out (2 I/O's) 4 clkt, wst, clkr,...
STMicroelectronics
