DATA BYTE SPECIFICATION

Input Selector

MSB

LSB

FUNCTION

D7

D6

D5

D4

D3

D2

D1

D0

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

Source Selector

don’t use

Cassette

don’t use

AM

Stereo Decoder

Input FM

Mute

don’t use

0

1

CD Mode

CD Full-differential

CD Quasi-diff

1

0

0

1

0

0

1

1

1

1

0

0

1

1

0

0

AM/FM Mode

AM mono

AM stereo

AM through Stereo/Decoder

FM- Stereo/Decoder

0

0

:

1

1

0

0

:

1

1

0

1

:

0

1

In-Gain

14dB

12dB

:

2dB

0dB

For example to select the CD input in quasi-differential mode with gain of 8dB the Data Byte is: 0/0 1111000

Loudness

MSB

LSB

LOUDNESS

D7

D6

D5

D4

D3

D2

D1

D0

0

0

:

1

1

0

0

:

1

1

0

0

:

1

1

0

1

:

0

1

Attenuation

0dB

-1dB

:

-14dB

-15dB

0

1

Filter

on

off (flat)

0

1

Center Frequency

200Hz

400Hz

0

1

Loud ness Q

low (1

normal (2

1

must be ”1”

Note: The attenuation is specified at high frequencies. Around the center frequency the value is different depending on the programmed

attenuation (see Loudness frequency response).

TDA7403

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