CXA2021 View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

MFG CO.

CXA2021

I2C BUS Sound Processor for TV

Sony Semiconductor 

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Control Register Table

SLAVE ADDRESS = 82H

DATA

(Power-ON setting value)

bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0

VOLUME (00)

MUTE AGC AGC: 0 = OFF , 1 = ON

(0) (0) MUTE: 0 = OFF , 1 = ON

BASS (00)

TREBLE (00)

BALANCE (00)

∗

MODE

(0)

∗

∗

∗

<Description of registers>

• VOLUME: Volume control for both L channel and R channel

00 = minimum value

3F = maximum value

• MUTE: MUTE switch

0 = Mute OFF

1 = Mute ON (Mute state)

• AGC switch

0 = AGC OFF

1 = AGC ON

• BASS: Low-frequency control

00 = Minimum value

10 = Typical value

1F = Maximum value

• MODE: Surround switch

0 = Surround OFF

1 = Surround ON

• TREBLE: High-frequency control

00 = Minimum value

10 = Typical value

1F = Maximum value

• BALANCE: Balance control for L channel and R channel

00 = L channel minimum, R channel maximum

20 = Typical

3F = L channel maximum, R channel minimum

CXA2021S

–7–

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