STi7167

Introduction

Doc ID 15836 Rev 2

3/10

1.1

STi7167 features summary

The STi7167 has the following main features:

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DVB-T demodulator

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General features:

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Wide-range carrier tracking loop for large offsets recovery

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Dual ADC for IQ baseband interface

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Dual SD digital split AGC for RF and IF/BB

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Gain control

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Channel impairments management:

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Nordig Unified (v2.0) compliant

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DTG 5.0 and Digitenne compliant

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Built-in channel reception quality indicators

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Out-of-guard interval echoes compatible

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Impulsive noise rejection capable

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Outstanding adjacent and co-channel rejection capability with integrated and

flexible digital channel filtering

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High-performance digital carrier, timing and symbol recovery loops

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Decoding capabilities:

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ETSI EN-300744 v1.5.1 compatible

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2-K and 8-K FFT

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6, 7 and 8 MHz channel bandwidths

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1/4, 1/8, 1/16, 1/32 guard-interval length

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QPSK - 16QAM - 64QAM modulations

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Hierarchical modulation capability

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TPS decoding

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Puncture rates are 1/2, 2/3, 3/4, 5/6, 7/8

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Outer Reed-Solomon decoder as per DVB-T standard

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Energy dispersal descrambler

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DVB-C demodulator

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Decodes ITU-T J.83-Annexes A/C and DVB-C bit streams

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High-performance integrated ADC for direct IF architecture in all QAM modes

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Supports 16, 32, 64, 128 and 256 point constellations

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Variable symbol rates

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Front derotator for better low symbol rate performance and relaxed tuner

constraints

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Integrated matched filtering

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Robust integrated adaptive pre- and post- high multi-tap equalizer

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On-chip FEC A/C with ability to bypass individual blocks

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Fast signal acquisition

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ST40-300, dual-issue applications CPU with 32KI, 32KD caches; Target speed

450 MHz delivering 800 DMIPs

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Includes a tightly coupled vector FPU to accelerate 3D graphics transformations