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1993_Motorola_Linear_Interface_ICs_Vol_2.pdf

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Video Circuits (continued)<br />

TV Stereo Decoder for NICAM<br />

and German System<br />

MC44131P Case 710<br />

The MC44131 combines all of the functions necessary for<br />

the decoding and sound control in accordance with the NICAM<br />

and German Standard transmission systems. It is controlled<br />

via a microprocessor and 12C bus.<br />

• Pilot Tone Decoding<br />

• Baseband Stereo Signal Decoding<br />

• Signal De-emphasis<br />

Ana K2 Kl<br />

Gnd<br />

MOTOROLA LINEAR/INTERFACE <strong>ICs</strong> DEVICE DATA<br />

9-11<br />

• Direct Balance Adjustment via Software<br />

• 12C Bus Controlled Routing of the Basebandl<br />

Monaurai/SCART Inputs to Loudspeaker/Headphonel<br />

Hi Fi/Scart Outputs<br />

• Loudspeaker Output Control of Tone, Special Effects,<br />

Independent Left-Right <strong>Vol</strong>ume Control<br />

• Headphone Output Control of Independent Left-Right<br />

<strong>Vol</strong>ume Control<br />

TCl TCR<br />

AnaVss<br />

AnaGnd

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