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STA450A Datasheet

  • STA450A

  • XMRADIO SDARS SERVICE LAYER & SOURCE DECODER

  • 438.95KB

  • 66頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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STA450A
XMRADIO SDARS SERVICE LAYER & SOURCE DECODER
FUNCTIONS
s
XMRADIO SERVICE LAYER
DEMULTIPLEXING
s
s
s
s
s
s
s
s
CHANNEL AUXILIARY DATA MANAGEMENT
CONDITIONAL ACCESS CONTROL
SERVICE COMPONENTS EXTRACTION
SERVICE COMPONENTS DECRYPTION
HIGH QUALITY AUDIO DECODING WITH
DATA RATE FROM 24kbps TO 96kbps
HIGH QUALITY SPEECH DECODING WITH
DATA RATE FROM 4kbps TO 16kbps
44.1 AND 32KHz SAMPLING FREQUENCIES
SUPPORTED
SYNCHRONIZATION ERROR DETECTION
WITH SW INDICATORS
TQFP80
ORDERING NUMBER: STA450A
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碌m TECHNOLOGY
s
3.3V CAPABLE I/Os
CONTROL
s
I2C SLAVE CONTROL
s
DEVICE ADDRESS: 1011100
September 2003
廬
T H I S D E V I C E C A N B E S O L D O N LY TO
CUSTOMERS THAT HAVE SIGNED A LICENSE
AGREEMENT WITH XM SATELLITE RADIO.
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:
鈥?Bitstream Synchronization
鈥?Service Layer (SL) Demultiplexing
鈥?Auxiliary Data Management
鈥?Conditional Access (CA) Control
鈥?Service Components Extraction
鈥?Service Components Decryption
鈥?Audio and Voice Decoding
The extracted Audio and Data are made available
through different interfaces:
鈥?I2S Audio Output
鈥?S/PDIF Output
鈥?Data Output Port
1/66

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