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STV0903 bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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STV0903 bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 5 page Data Brief For further information contact your local STMicroelectronics sales office. August 2008 Rev 1 1/5 5 STV0903 Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes Features ■ Demodulation –DIRECTVTM and DVBS QPSK – DVBS2 QPSK and 8PSK – Digital Nyquist root filter with 0.20, 0.25, 0.35 excess bandwidth factors ■ Decoding – Up to 95 mega channel bits per second (Mcbps) at input to DVBS2 FEC – Up to 130 Mcbps DVBS or DIRECTVTM at input to legacy FEC ■ Interfaces – Dedicated 27 MHz clock generation for back-end decoder –I2C serial bus interface – JTAG interface - boundary scan –DiSEqCTM 2.x interface – GPIOs and interrupt lines – Monitoring through I2C serial interface – FSK modem ■ Technology – 90 nm CMOS process – Power saving features ■ Package – LQFP-128-EP 14x14, 0.4 mm pitch, RoHS. Description STV0903 is a high performance satellite demodulator capable of handling DVB-S, DIRECTVTM legacy and DVBS2 (QPSK and 8PSK) constant coding and modulation signals for satellite broadcast. AGCRF [IN, IP] [QN, QP] XTALI XTALO SCL, SDA SDAT, SCLT DISEQCIN DISEQCOUT FSKRX_IN TAP GPIO[13:1] D[7:0] CLKOUT STROUT DPN ERROR Dual 8-bit ADC Slave I2C manager DiSEqCTM 2.0 manager FSK manager GPIO switch matrix JTAG boundary scan Clock generation ASIC controller power management and Multi-standard demodulator IO and RF AGC Multi roll-off nyquist and interpolation filters DVBS2 pilots processor and framing Echo concealment equalizer Demapper Carrier recovery loop Timing recovery loop CNR estimator Lock indicator and monitoring DVBS2 FEC Legacy FEC Viterbi decoder Inner de-interleaver Reed-solomon decoder Energy descrambler LDPC decoder BCH decoder DVBS2 de-framing CRC checker Transport stream manager FSKRX_OUT FIFO Line 1 www.st.com |
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