stv0903 STMicroelectronics, stv0903 Datasheet

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stv0903

Manufacturer Part Number
stv0903
Description
Multi-standard Advanced Demodulator For Satellite Digital Tv And Data Services Set-top Boxes
Manufacturer
STMicroelectronics
Datasheet

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

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stv0903 Summary of contents

Page 1

... 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 8PSK) constant coding and modulation signals for satellite broadcast. IO and RF AGC ASIC controller and ...

Page 2

... Application 1 Application Figure 1. Application diagram for DVB-S2 front-end system RF_IN Choke 2/5 STV0903 STV6110A SatTuner SDA, SCL SDAT, SCLT AGC AGCRF IN,IP IM,IP QN,QP QM,QP 16 MHz XTAL_OUT XTAL_IN 27 MHz DISEQC-RX DISEQC_IN DISEQC_OUT LNBH23 15 Ω STx7100 STx7109 MPEG-4 / H.264 Decoder IC AUX_CLK STV0903 ...

Page 3

... STV0903 2 Ordering information Table 1. Ordering information STV0903BAB Order code LQFP128-14 × Ordering information Packaging 3/5 ...

Page 4

... Revision history 3 Revision history Table 2. Document revision history Date 21-Aug-2008 4/5 Revision 1 Initial release. STV0903 Changes ...

Page 5

... STV0903 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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