Applications

STi7141

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Applications

The STi7141 is a low-cost, networkable, HDTV set-top box device, with an embeded

DOCSIS cable modem capable of providing DSG (DOCSIS set-top gateway), interactive

multimedia and internet access for the digital cable market.

The STi7141 provides an enhanced performance, lower-cost replacement to the two-chip

solution STv0498 and STi7109.

The following figures describe typical set-top box applications based on the STi7141. These

applications maintain a high degree of software compatibility with set-top box designs based

on the STv0498 and STi7109.

Figure 1. STi7141 application: HD input SD display cable set-top box platform with DOCSIS 2.0

DDR 2

DDR 2

Filter

Opto

Opto

Ch 3/4

S-Vid

Comp

S/PDIF

Audio

USB 2

IR

RF

Silicon

tuner

Silicon

tuner

MoCA

MAC

and PHY

Ethernet

PHY

Secure

micro

Cable

MSCC

RJ45

USB 2

USB

PGA

FAT1

FAT2

RDC

GMII

MSCC

MII

USB 2.0

USB 1.1

USB 1.1

LMI

LMI

Composite

S-Video

Audio

S/PDIF

USB 2.0

IR

Power supply

components

Power on

reset

Flash

EMI