TDA7575B

Software specifications

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6

Software specifications

The bit 0 of the "ADDRESS BYTE" defines if the next bytes are write instruction (from

μP to

TDA7575B) or read instruction (from TDA7575B to µP).

Table 5.

Address selection

If R/W = 0, the

μP sends 2 "Instruction Bytes": IB1 and IB2.

Table 6.

IB1

A6

1

A5

1

A4

0

A3

1

A2

0

A1

B

A0

A

R/W

X

D7

0

D6

Diagnostic enable (D6 = 1)

Diagnostic defeat (D6 = 0)

D5

Offset Detection enable (D5 = 1)

Offset Detection defeat (D5 = 0)

D4

Gain = 26dB (D4 = 0)

Gain = 12dB (D4 = 1)

D3

0

D2

Mute (D2 = 0)

Unmute (D2 = 1)

D1

0

D0

CD 2% (D0 = 0)

CD 10% (D0 = 1)