SAA7210

The SAA7210 incorporates the function of demodulator,subcessor,motor speed control,error corrector and concealment in one chip.For descriptive purpose,the SAA7210 is referred to as the A-chip and the SAA7220 as the 8-chip.

Features of the SAA7210 are:(1)adaptive slicer which high frequency level detector for input data;(2)built-in drop-out detector to propagation in adaptive slicer;(3)fully protected timing synchronization to incoming data;(4)eight-to-fourteen modulation decoding;(5)cross-interleaved reed-solomon code used for error correction system;(6)subcoding microprocessor handshaking protocol;(7)motor speed control logic which stabilizes the input data rate;(8)error flag processing to identify unreliable data;(9)concealment to replace uncorrectable data;(10)I2S bus for data exchange;(11)bidirectional data bus to external RAM.

The quick reference data of the SAA7210 can be summarized as:(1):the parameter is supply voltage,the symbol is VDD,the Typ is 5.0,the unit is V;(2):the parameter is supply current,the symbol is IDD,the Typ is 200,the unit is mA;(3):the parameter is data slicer input voltage,the symbol is VI,the rating is 0.25 to 2.5,the unit is V;(4):the parameter isoscillator operating frequency XTAL,the symbol is fXTAL,the typ is 11.2896,the unit is MHz;(5):the parameter isoscillator operating frequency VCO,the symbol is fVCO,the typ is 8.6432,the unit is MHz;(6):the parameter is output current,the symbol is IO,the max is +10,the unit is mA;(7):the parameter is operating ambient temperature range,the symbol is Tamb,the rating is -20 to +70,the unit is .