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參數資料
| 型號： | STA450A |
| 廠商： | 意法半導體 |
| 英文描述： | XMRADIO SDARS SERVICE LAYER & SOURCE DECODER |
| 中文描述： | XMRADIO衛星數字收音機服務層 |
| 文件頁數： | 1/66頁 |
| 文件大小： | 439K |
| 代理商： | STA450A |
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STA450A
September 2003
FUNCTIONS
I
XMRADIO SERVICE LAYER
DEMULTIPLEXING
I
CHANNEL AUXILIARY DATA MANAGEMENT
I
CONDITIONAL ACCESS CONTROL
I
SERVICE COMPONENTS EXTRACTION
I
SERVICE COMPONENTS DECRYPTION
I
HIGH QUALITY AUDIO DECODING WITH
DATA RATE FROM 24kbps TO 96kbps
I
HIGH QUALITY SPEECH DECODING WITH
DATA RATE FROM 4kbps TO 16kbps
I
44.1 AND 32KHz SAMPLING FREQUENCIES
SUPPORTED
I
SYNCHRONIZATION ERROR DETECTION
WITH SW INDICATORS
PERIPHERALS
I
HIGH SPEED SERIAL INPUT INTERFACE
(PCBITSTREAM INTERFACE)
I
FULLY PROGRAMMABLE SERIAL PCM
OUTPUT INTERFACE
I
IEC958 OUTPUT (S/PDIF)
I
DATA OUTPUT PORT INTERFACE
I
CONDITIONAL ACCESS PROCESSOR
INTERFACE (I2C MASTER)
I
RS232 RX & TX INTERFACES
I
EMBEDDED SYSTEM PLL
I
EMBEDDED AUDIO PLL
LOW POWER TECHNOLOGY
I
1.8V 0.18
μ
m TECHNOLOGY
I
3.3V CAPABLE I/Os
CONTROL
I
I2C SLAVE CONTROL
I
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
THIS DEVICE CAN BE SOLD ONLY TO
CUSTOMERS THAT HAVE SIGNED A LICENSE
AGREEMENT WITH XM SATELLITE RADIO.
XMRADIO
SDARS SERVICE LAYER & SOURCE DECODER
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