For further information contact your local STMicroelectronics sales office.

December 2012

Doc ID 023589 Rev 3

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STiD128

DOCSIS 3.0 and video front-end for gateway

set-top box and cable modem

Data brief

Features

■ Dual CPU architecture - one for DOCSIS® and

one for host including eRouting and VoIP

management

■ ARM Cortex-A9 770 MHz, dual-core CPU with

NEON™ SIMD co-processor

■ DOCSIS 3.0 data cable modem:

– Up to 16 downstream channels (up to

800 Mbit/s)

– Up to 4 upstream channels

■ Up to 8 video QAM demodulation channels

■ Video QAM operations independent from

DOCSIS

■ Digital direct interface to full band tuners

■ VoIP through ARM Cortex-A9 CPU:

– Up to 2 lines VoIP with PacketCable™ 1.5

or 2.0 reference software

■ USB 2.0 host interface

■ 2 x PCIe interfaces for WiFi connectivity

■ DDR2/3, 8/16-bit LMI interface

■ Serial NOR, SPI interface

■ 3 x Gbit Ethernet ports

■ Flexible channel allocation for active standby

power consumption reduction

Description

STiD128 is STMicroelectronics’ next generation

front-end device for interactive cable gateway and

set-top box applications. STiD128 can also be

used standalone for cable modem application.

STiD128 provides a solution for operators to

specify a range of very high-performance

DOCSIS 3.0 STB, multimedia gateway or cable

modem platforms.

A total of 16 demodulation channels can be used

for DOCSIS out of which 8 channels can be used

as video channels. Allocation of the channels is

flexible.

A powerful dual core CPU allows telephony and

data distribution including routing/switching and

firewalling.

Audio DSP

H.264

Encoder

DOCSIS 3.0

DDR3 DRAM

Host processing

Network

processor

Dual core MP

ARM Cortex-A9

Peripherals

UART, I2C,

L2 Cache

512 KB

8/16-bit

interface

Connectivity

Ethernet GMAC

X

3

USB 2.0 x 1

PCIe x 2

QAM x 16

Interfaces

1 GHz cable FE

interface

Telephony

interface

SPI serial NOR

DOCSIS

MAC PHY

DOCSIS

Processor

ST40-300

Video transport

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