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STA450A Datasheet(PDF) 1 Page - STMicroelectronics |
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STA450A Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 66 page ![]() 1/66 STA450A September 2003 FUNCTIONS s XMRADIO SERVICE LAYER DEMULTIPLEXING s CHANNEL AUXILIARY DATA MANAGEMENT s CONDITIONAL ACCESS CONTROL s SERVICE COMPONENTS EXTRACTION s SERVICE COMPONENTS DECRYPTION s HIGH QUALITY AUDIO DECODING WITH DATA RATE FROM 24kbps TO 96kbps s HIGH QUALITY SPEECH DECODING WITH DATA RATE FROM 4kbps TO 16kbps s 44.1 AND 32KHz SAMPLING FREQUENCIES SUPPORTED s SYNCHRONIZATION ERROR DETECTION WITH SW INDICATORS PERIPHERALS s HIGH SPEED SERIAL INPUT INTERFACE (PCBITSTREAM INTERFACE) s FULLY PROGRAMMABLE SERIAL PCM OUTPUT INTERFACE s IEC958 OUTPUT (S/PDIF) s DATA OUTPUT PORT INTERFACE s CONDITIONAL ACCESS PROCESSOR INTERFACE (I2C MASTER) s RS232 RX & TX INTERFACES s EMBEDDED SYSTEM PLL s EMBEDDED AUDIO PLL LOW POWER TECHNOLOGY s 1.8V 0.18 µm TECHNOLOGY s 3.3V CAPABLE I/Os CONTROL s I2C SLAVE CONTROL s DEVICE ADDRESS: 1011100 DESCRIPTION The STA450A is designed for digital radio receivers compatible with the XMRadio SDARS System and in- tegrates all the functions needed to perform the Ser- vice Layer and Source Decoding: – Bitstream Synchronization – Service Layer (SL) Demultiplexing – Auxiliary Data Management – Conditional Access (CA) Control – Service Components Extraction – Service Components Decryption – Audio and Voice Decoding The extracted Audio and Data are made available through different interfaces: – I2S Audio Output – S/PDIF Output – Data Output Port TQFP80 ORDERING NUMBER: STA450A T HIS D EVICE CAN BE S OLD ONLY TO CUSTOMERS THAT HAVE SIGNED A LICENSE AGREEMENT WITH XM SATELLITE RADIO. XMRADIO® SDARS SERVICE LAYER & SOURCE DECODER |
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