STV0903 Datasheet, PDF (1/5 Pages) STMicroelectronics – Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes

STV0903
Multi-standard advanced demodulator
for satellite digital TV and data services set-top boxes
Data Brief
Features
■ Demodulation
– DIRECTV^TM 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 DIRECTV^TM at
input to legacy FEC
■ Interfaces
– Dedicated 27 MHz clock generation for
back-end decoder
– I²C serial bus interface
– JTAG interface - boundary scan
– DiSEqC^TM 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,
DIRECTV^TM 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
FSKRX_OUT
GPIO[13:1]
TAP
D[7:0]
CLKOUT
STROUT
DPN
ERROR
Dual
8-bit ADC
Clock generation
Slave I²C
manager
ASIC controller
and
power management
DiSEqC^TM 2.0
manager
GPIO
switch matrix
IO and
RF AGC
Multi roll-off
nyquist and
interpolation
filters
DVBS2
pilots
processor
and framing
Multi-standard demodulator
Carrier Timing _CNR
recovery recovery _estimator
loop
loop
Echo
concealment
equalizer
Demapper
FSK manager
JTAG
boundary
scan
Lock indicator and
monitoring
DVBS2 FEC
Legacy FEC
Transport
stream
manager
FIFO Line 1
LDPC decoder
BCH decoder
DVBS2 de-framing
CRC checker
Viterbi decoder
Inner de-interleaver
Reed-solomon decoder
Energy descrambler
August 2008
Rev 1
For further information contact your local STMicroelectronics sales office.
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www.st.com
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