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What is MSP4448G?

This electronic component, produced by the manufacturer "Micronas", performs the same function as "(MSP44x8G) Multistandard Sound Processor".


MSP4448G Datasheet PDF - Micronas

Part Number MSP4448G
Description (MSP44x8G) Multistandard Sound Processor
Manufacturers Micronas 
Logo Micronas Logo 


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MICRONAS
PRELIMINARY DATA SHEET
MSP 44x8G
Multistandard
Sound Processor
Edition Feb. 25, 2000
6251-516-1PD
MICRONAS

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MSP4448G equivalent
PRELIMINARY DATA SHEET
MSP 44x8G
Multistandard Sound Processor Family
1. Introduction
The MSP 44x8G family of Multistandard Sound Pro-
cessors covers the sound processing of all analog TV-
Standards worldwide, as well as the NICAM digital
sound standards. The full TV sound processing, start-
ing with analog sound IF signal-in, down to processed
analog AF-out, is performed on a single chip. Fig. 1–1
shows a simplified functional block diagram of the
MSP 44x8G.
The high-quality A/D and D/A converters offer the full
audio bandwidth of 20 kHz and the backend DSP pro-
cessing is performed at a 48 kHz sample rate.
The MSP 44x8G has been designed for the usage in
hybrid set-top boxes and multimedia applications. Its
asynchronous I2S slave interface allows the reception
of digital stereo signals with arbitrary sample rates
ranging from 5 to 50 kHz. Synchronization is per-
formed by means of an adaptive sample rate con-
verter.
This generation of TV sound processing ICs includes
versions for processing the multichannel television
sound (MTS) signal conforming to the standard recom-
mended by the Broadcast Television Systems Commit-
tee (BTSC). The DBX noise reduction, or alternatively,
Micronas Noise Reduction (MNR) is performed align-
ment free.
Other processed standards are the Japanese FM-FM
multiplex standard (EIA-J) and the FM Stereo Radio
standard.
The MSP 44x8G versions are pin and software com-
patible to other MSP families. Standard selection
requires only a single I2C transmission.
The MSP 44x8G has built-in automatic functions: The
IC is able to detect the actual sound standard automat-
ically (Automatic Standard Detection). Furthermore,
pilot levels and identification signals can be evaluated
internally with subsequent switching between mono/
stereo/bilingual; no I2C interaction is necessary (Auto-
matic Sound Selection).
The ICs are produced in submicron CMOS technology
and are available in the following packages: PQFP80,
PLQFP64, and PSDIP64.
Sound IF1
Sound IF2
I2S1
I2S2
I2S3
SCART1
SCART2
SCART3
SCART4
MONO
ADC
De-
modulator
Pre-
processing
synchron.
I2S
asychron.
I2S
Prescale
SCART
DSP
Input
Select
ADC
Prescale
Main
Sound
Processing
DAC
Aux
Sound
Processing
DAC
DAC
DAC
SCART
Output
Select
Main
Channel
Aux
Channel
I2S
SCART1
SCART2
Fig. 1–1: Simplified functional block diagram of the MSP 44x8G
Micronas
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Featured Datasheets

Part NumberDescriptionMFRS
MSP4448GThe function is (MSP44x8G) Multistandard Sound Processor. MicronasMicronas

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