Datasheet > STV0903

STV0903

更新时间： 2024-11-14 03:57:35

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电视
页数	文件大小	规格书
5页	55K
描述
Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes

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数据手册

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STV0903 数据手册

STV0903

Multi-standard advanced demodulator

for satellite digital TV and data services set-top boxes

Data Brief

– DiSEqC^TM2.x interface

Features

– GPIOs and interrupt lines

– Monitoring through I²C serial interface

■ Demodulation

– DIRECTV^TMand DVBS QPSK

– FSK modem

– DVBS2 QPSK and 8PSK

■ Technology

– Digital Nyquist root filter with 0.20, 0.25,

0.35 excess bandwidth factors

– 90 nm CMOS process

– Power saving features

■ Decoding

■ Package

– Up to 95 mega channel bits per second

(Mcbps) at input to DVBS2 FEC

– LQFP-128-EP 14x14, 0.4 mm pitch, RoHS.

– Up to 130 Mcbps DVBS or DIRECTV^TMat

input to legacy FEC

Description

■ Interfaces

STV0903 is a high performance satellite

demodulator capable of handling DVB-S,

DIRECTV^TMlegacy and DVBS2 (QPSK and

8PSK) constant coding and modulation signals for

satellite broadcast.

– Dedicated 27 MHz clock generation for

back-end decoder

– I²C serial bus interface

– JTAG interface - boundary scan

AGCRF

[IN, IP]

Dual

8-bit ADC

DVBS2

pilots

processor

and framing

Multi roll-off

nyquist and

interpolation

filters

[QN, QP]

IO and

RF AGC

XTALI

XTALO

Clock generation

ASIC controller

and

power management

SCL, SDA

SDAT, SCLT

Slave I²C

manager

Echo

concealment

Multi-standard demodulator

equalizer

Timing

recovery

loop

Carrier

recovery

loop

CNR

estimator

DISEQCIN

DISEQCOUT

Demapper

DiSEqC^TM2.0

manager

GPIO

switch matrix

FSKRX_IN

FSKRX_OUT

FSK manager

Lock indicator and

GPIO[13:1]

TAP

monitoring

JTAG

boundary

scan

Legacy FEC

DVBS2 FEC

Transport

stream

manager

LDPC decoder

BCH decoder

Viterbi decoder

Inner de-interleaver

D[7:0]

CLKOUT

STROUT

DPN

DVBS2 de-framing

CRC checker

Reed-solomon decoder

Energy descrambler

FIFO Line 1

ERROR

August 2008

Rev 1

1/5

For further information contact your local STMicroelectronics sales office.

www.st.com

12 3 4 5

中文翻译

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