sti3520 STMicroelectronics, sti3520 Datasheet

sti3520

Manufacturer Part Number

sti3520

Description

Mpeg Audio Mpeg-2 Video Integrated Decoder

Manufacturer

STMicroelectronics

Datasheet

1.STI3520.pdf (1 pages)

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DESCRIPTION

The video decoder is a real-time video decompres-

sion processor supportingthe MPEG-1 and MPEG-

2 standards at video rates up to 720 x 480 x 60Hz

or 720 x 576 x 50Hz. Picture format conversion for

display is performed by a vertical and a horizontal

filter (sample rate converter). External DRAM, typi-

cally of size 16 Mbits is required.

The audio decoder is compliant with layers I and II

of the MPEG standard. Sampling rates of 32, 44.1

and 48kHz can be used.

This specification refers to versions 3.1 or later (marking CB or higher).

APPLICATIONS

October 1996

This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.

SINGLE CHIP COMBINING THE DECODING

FUNCTIONS OF THE STi3500A VIDEO DE-

CODER AND THE STi4500 AUDIO DECODER

ON-CHIP PLL ALLOWING FULL CHIP OP-

ERATION WITH TWO EXTERNAL CLOCKS

VIDEO DECODER FULLY SUPPORTS MPEG-

2 MAIN PROFILE/MAIN LEVEL (MP@ML)

AUTOMATIC VIDEO ERROR CONCEALMENT

ENHANCED ON-SCREEN DISPLAY GENER-

ATOR : 16 COLORS/REGION, LINKED LIST

MEMORY MANAGEMENT

AUDIO DECODER SUPPORTS LAYERS I & II

OF MPEG

ALL POPULAR PCM AUDIO OUTPUT FOR-

MATS SUPPORTED

STANDARD 8-BIT INTERFACE FOR MICRO-

CONTROLLER AND COMPRESSED DATA

INPUT

SUPPORT FOR SYNCHRONOUS DRAM

3.3VPOWER SUPPLY , I/Os 5V TTL COMPATIBLE

0.5 m CMOS TECHNOLOGY

DBS RECEIVER

DIGITAL TV RECEIVER

DIGITAL CABLE TV RECEIVER

MPEG AUDIO / MPEG-2 VIDEO INTEGRATED DECODER

The STi3520 requires minimal support from an ex-

ternal microcontroller, which is mainly required to

initialise the video decoder at the start of every

picture. Separate audio and video data streams are

input through the 8-bit data port. Time stamps are

detected and made available to the microcontroller

for the managementof audio/videosynchronization.

User-defined bitmaps may be superimposedon the

displayed picture through use of the on-screen

display function. These bitmaps are written directly

into the DRAM memory by the microcontroller.

Undetected bitstream errors which would cause

decoder errors activate the error concealment

functions.

ORDER CODE : STi3520CV

(Plastic Quad Flat Pack)

PQFP160

STi3520

BRIEF DATA

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