TDA7300 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

TDA7300

DIGITAL CONTROLLED STEREO AUDIO PROCESSOR

STMicroelectronics 

TDA7300

SOFTWARE SPECIFICATION (continued)

DATA BYTES (detailed description)

VOLUME

MSB

00

00

LSB

B2 B1 B0 A2 A1 A0 Volume 2dB Steps

0 0 00

0 0 1 -2

0 1 0 -4

0 1 1 -6

1 0 0 -8

1 0 1 Not allowed

1 1 0 Not allowed

1 1 1 Not allowed

B2 B1 B0

Volume 10dB steps

000

+10

001

0

010

-10

011

-20

100

-30

101

-40

110

-50

111

-60

For example if you want setting the volume at -32dB the 8 bit string is: 0 0 1 0 0 0 0 1

SPEAKER ATTENUATORS

MSB

LSB

1 0 0 B1 B0 A2 A1 A0 Speaker LF

1 0 1 B1 B0 A2 A1 A0 Speaker RF

1 1 0 B1 B0 A2 A1 A0 Speaker LR

1 1 1 B1 B0 A2 A1 A0 Speaker RR

0 0 00

0 0 1 -2

0 1 0 -4

0 1 1 -6

1 0 0 -8

1 0 1 Not allowed

1 1 0 Not allowed

1 1 1 Not allowed

00

0

01

-10

10

-20

11

-30

For example attenuation of 24dB on speaker RF is given by: 1 0 1 1 0 0 1 0

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