Data Brief

For further information contact your local STMicroelectronics sales office.

July 2007

Rev 2

1/6

6

STA264

Sirius overlay decoder

Features

stream from the G3 Baseband processor

three streams of data (TDM1, TDM2, COFDM)

soft symbol streams

diversity combining cost sensitive applications

Diversity Combiner or accepts second L2 input

for internal combining

processors

Application Processors

– Data can be uncompressed audio

– Data can be "Data"

–UART

– Parse data for Overlay and Legacy tune

commands

– Navigation

UART ports

– Required so theApplication Processor can

interface to a single client

Processor

– SDR SDRAM to support the four second

buffer and de-interleaving

– FLASH for the storage of Firmware

Description

The STA264 ASIC is a fully integrated processor

for Sirius Satellite Digital Radio Service (SDARS)

that allows for decoding of Layer 2 hierarchical

data.

TFBGA249

Table 1.

Device summary

Order code

Package

Packing

STA264

TFBGA249

Tray

STA264TR

TFBGA249

Tape and reel

www.st.com