MAS3506D datasheet(5/52 Pages) MICRONAS

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PRELIMINARY DATA SHEET

MAS 3506D

Micronas

The complete WorldSpace Broadcast Channel (BC) is

available as a serial output signal from the DRD 3515A

and provides full access to all WorldSpace data. The

additional Service Component (SC) output of the

DRD 3515A may be useful in applications where a

data and an audio channel are transmitted simulta-

neously. In this case, the data component is directed

to the SC output. This function is independent from the

audio

Service

Component

extraction

the

MAS 3506D.

Service Control Header data are available via I2C con-

troller interface from the MAS 3506D. (N.B. The Time

Slot Control Channel data are available only from the

DRD 3515A.)

Fig. 1–2: Block diagram of the MAS 3506D

Clock

Synthe-

sizer

Serial

Input

Interface

Serial

Output

Interface

RCLK

OCLK

14.725 MHz

24.576 MHz

BC in

Audio

Data out

Service Component

Extraction from Broadcast Channel

MPEG 1/2/2.5 Layer 3

Audio Decoding

Buffer-Controlled Loop

20-Bit RISC DSP

I2C

Interface

Parallel

Interface

DC/DC

Converter

VDD

µC

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