Data brief

For further information contact your local STMicroelectronics sales office.

November 2011

Doc ID 022120 Rev 3

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STiH225

Interactive HDTV cable STB processor with integrated front-end

Features

support for DOCSIS 3.0 down-stream channel

bonding

with 12-bit ADC IF interface and one cable

transmitter with 14-bit DAC output

decoder for:

– H.264 / MPEG-4 AVC HP@L4

– MPEG-2 MP@HL

– SMPTE VC-1 AP@L3

processor for:

– MPEG-1 I/II/III (MP3), MPEG-2 ACC (AAC-

LC)

– MPEG-4 HE AAC (aacPlus)

stream (PTI) processor

eSATA

Description

The STiH225 is an interactive HDTV set-top box

device, with an embedded DOCSIS cable modem

capable of providing DOCSIS set-top gateway

(DSG), interactive multimedia and internet access

for the digital cable market. STiH225 device can

be used as a mini gateway for the home network.

JTAG

STB peripherals I/O

Digital video ED/SD out

Resets

Analog out

Clocks

Modes

PCM I/O

S/PDIF out

External interrupts

Clock Gen

System serv

Peripherals

SSC

UART

ILC

PWM

Infrared

Smartcard

Connectivity

Transport

Security

Audio I/O

Display

Video I/O

Audio decoder

Video decoder

EMI

PCI

Serial

LMI

System

interfaces

CPU/FPU

STBus

Triple FDMA

Bdisp Blitter

USB 2.0

eSATA

Ethernet

IF in

RF out

DDR2

Serial Flash

Memory

Flash, SFlash

NOR, NAND

PCM reader

PCI Peripherals

PCM players

DACs

Flash

Analog video ED/SD out

GPIO

DOCSIS 2.0 + MAC

transceiver

Cable

ITU-T J.83 A/B/C

MCARD

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