NJU7086 データシートの表示（PDF） - Japan Radio Corporation

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NJU7086

High-Power & Low-Voltage Stereo Audio Power Amplifier with Electronic Volume

Japan Radio Corporation  

NJU7086

„DEFINITION OF I2C REGISTER

•I2C BUS FORMAT

MSB

LSB

MSB

LSB

MSB

LSB

S

Slave Address

A

Data0

A

Data1

AP

1bit

8bit

1bit

8bit

1bit

8bit

1bit 1bit

S: Starting Term

A: Acknowledge Bit

P: Ending Term

•SLAVE ADDRESS

MSB

LSB

1

0

0

0

0

0

0

0

•CONTROL REGISTER TABLE

Data0

Data1

D7 D6 D5 D4

D3

D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0

Don’t InputSel HP GainSel AUX Mode

Don’t Care

Volume

Care

•CONTROL REGISTER DEFAULT VALUE

Control register default value is all “0”.

Data0

D7 D6 D5 D4 D3

-

0

0

0

0

Data1

D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0

0

0

0

-

-

-

0

0

0

0

0

„INSTRUCTION CODE

InputSel(Ch1~3 select)

InputSel

Ch1*

Ch2

Ch3

Ch3

Data0

D6

D5

0

0

0

1

1

0

1

1

Ch1 select

Ch2 select

Ch3 select

Ch3 select

Note

HP(Output operating mode select)

Mode

BTL*

SE*

SE

SE

Data0

D4

0

1

HP Sense

terminal

L

H

L

H

Note

Differential Operation

Single Ended Operation

Single Ended Operation

Single Ended Operation

GainSel(External / Internal gain select)

Select

Internal Gain*

External Gain

Data0

D3

0

1

Note

The gain is set with an internal circuit.

The gain is set with an external circuit.

*Default Value

*Default Value

*Default Value

19-May-09

-9-

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