STMicroelectronics STA002
the STA002 Digital Receiver Front-end integrates all the blocks needed to demodulate incoming digital satellite audio signals from the tuner: analog to digital converter, QPSK demodulator, signal power estimator, automatic gain control, Viterbi decoder, deinterleaver, Reed-Solomon decoder and energy dispersal descrabler. Its advanced error correction functions guarantees a low error rate even with small low gain receiver antennas.
| Part No. |
STA002 |
| Datasheet |
STA002
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| Manufacturer |
 STMicroelectronics |
| Description |
STARMANO CHANNEL DECODER |
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DESCRIPTION
Designed for World Space satellites digital audio receivers, Additional functions include the selection of broadcast channel, service components and audio components for source decoding: - The MPEG Audio bitstream is provided at the serial audio output port. - The Broadcast Channel is provided to the serial data output port. - The Service Component is provided at the SC output interface. World Space encryption scheme is supported for pay programs and paging. January 2002 1/43 STA002 Fig. 1: Channel Decoder Block Diagram BCCK BC DATA INTERFACE LOCK AGC TDM_CLK A/D QPSK TDM FRAME CONTROLLER TSCC MANAGEMENT BC PLL/CLOCK DISTRIBUTION SC MANGEMENT SOURCE DECODER INTERFACE SC DATA INTERFACE BCDO BCSYNC BCDIN SCEN SCDO SCCK SCK SDO SEN RXI RNXI TDM M_CLK FRAME SYNC. PRC MANAGEMENT BC_CLK VITERBI DE-INTERLEAVER REED SOLOMON BC/TSCC MICROPROCESSOR INTERFACE RESET INTR SCL SDA MINTR D96AU541C Fig. 2: Pin Connection TEST 9 TEST 8 34 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 1...
