STV0913 Multi-standard advanced demodulator for satellite digital TV broadcast set-top boxes Data brief Features ■ ■ ■ – – – – – Multi-standard demodulation – DVB-S2 QPSK and 8PSK – Legacy DVB-S and DirecTVTM QPSK – Multi-tap equalizer for RF reflection removal – Wide range carrier frequency tracking loop for offset recovery ■ Multi-standard decoding – DVB-S2 FEC and framing – Up to 135 Mbit/s channel bit rate – DVB-S or DirecTVTM legacy JTAG interface for boundary scan DiSEqC 2.x 22-kHz interface FSK interface Flexible GPIOs and interrupts Bit error rate monitoring and reporting Technology – Multi supply: 1.1-V core, 2.5-V analog, 3.3-V digital interfaces – Fine grained power management – LFBGA-77 8 x 8 mm2 package, RoHS Description The STV0913 is a cost-effective, high-performance demodulator/decoder for DVB satellite reception. The device supports DVB-S2 in QPSK and 8PSK as well as DVB-S and DirecTVTM legacy transmission standards. Interfaces – Data to MPEG decoder – DVB common interface compliant – I2C serial bus interface, including private repeater for tuner AGCRF [IN, IP] [QN, QP] XTALI XTALO SCL, SDA SDAT, SCLT DISEQCIN Multi-standard demodulator Dual 10-bit ADC Clock generation Slave I2C manager IO and RF AGC ASIC controller and power management Carrier recovery loop DISEQCOUT CNR estimator Echo concealment equalizer Demapper GPIO switch matrix FSKRX_IN FSKTX_OUT Timing recovery loop DiSEqCTM 2.0 manager DVB-S2 pilots processor and framing Multi roll-off Nyquist and interpolation filters Lock indicator and FSK manager monitoring GPIO[12:0] TAP D[7:0] CLKOUT STROUT DPN ERROR December 2012 JTAG boundary scan DVB-S2 FEC Transport stream manager Legacy FEC LDPC decoder Viterbi decoder BCH decoder Inner de-interleaver DVB-S2 de-framing Reed–Solomon decoder CRC checker Energy descrambler FIFO Line 1 Doc ID 024008 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 Overview STV0913 Overview The STV0913 is intended for use with zero IF balanced IQ tuners (I, IB, Q, QB) with RFAGC level control and I2C register control. The demodulator is capable of processing DVB-S2, DVB-S and DTV legacy signals. The STV0913 integrates all the features needed to provide a low-cost broadcast satellite receiver solution including: integrated crystal oscillator, DiSEqC controller, tuner I2C repeater, FSK modem, ancillary DACs and ADCs and many unattributed general purpose input/output ports for peripheral control. Advanced power saving features have been implemented, the LDPC stops once the solution is sufficiently converged and the various blocks of the IC (demodulator, LDPC, Legacy FEC, and so on) may be completely shut down if not required. Features Benefits Multi-standard demodulation and decoding. Allows an advanced set-top box or receiver to be compatible with multiple markets and legacy installations and so assists migration to the advanced services. Multi-tap equalizer. Improves reception in poor RF group-delay and reflection conditions (narrow transponders, SMATV installations, poor connectors, unterminated branched cables). DVB common interface compliant. Allows interface to DVB-CI+ module for decoding encrypted content. I2C serial bus interface, including private repeater for tuner. Private repeater isolates the (sensitive) RF tuner from potential digital noise from the host processor. Fine-grained power management. Allows power to be reduced according to usage and standby strategy. Best-in-class, low-power standby mode. To meet emerging energy standards for STBs. Integrated DiSEqC 2.x 22-kHz and FSK Reduces BoM cost whilst maintaining flexibility in antenna control. interfaces. JTAG interface for boundary scan. 2/4 Allows simple and thorough board testing in production. Doc ID 024008 Rev 1 STV0913 Revision history Revision history Table 1. Document revision history Date Revision 05-Dec-2012 1 Changes Initial release. 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