NJW1157FC2 データシートの表示（PDF） - Japan Radio Corporation

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NJW1157FC2

8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR

Japan Radio Corporation  

NJW1157

! CONTROL DATA

NJW1157 is controlled by 16-bits serial data.

MSB

LSB

D15 D14 D13 D12 D11 D10 D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

Data

Select Address

Chip Address

Multi channel

Input Signal 1

Differential

Output

Input Selector

Gain Control

REC A

REC B

RECSW

Lch

Rch

Cch

LSch

RSch

LBch

RBch

SWch

Volume Control 1

Volume Control 2

Volume Control 3

Volume Control 4

Volume Control 5

Volume Control 6

Volume Control 7

Volume Control 8

Lch

Rch

Cch

LSch

RSch

LBch

RBch

SWch

Tone Control

Tone Control

BSW

TSW

TSW

SSW

Multi Channel

Input Signal 2

MSB

LSB

D15 D14 D13 D12 D11 D10 D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

Volume Control 1

Don’t

Care

0

0

0

0

0

1

0

1

Volume Control 2

Don’t

Care

0

0

0

1

0

1

0

1

Volume Control 3

Don’t

Care

0

0

1

0

0

1

0

1

Volume Control 4

Don’t

Care

0

0

1

1

0

1

0

1

Volume Control 5

Don’t

Care

0

1

0

0

0

1

0

1

Volume Control 6

Don’t

Care

0

1

0

1

0

1

0

1

Volume Control 7

Don’t

Care

0

1

1

0

0

1

0

1

Volume Control 8

Don’t

Care

0

1

1

1

0

1

0

1

Input Selector

Gain Control

Volume Output

Gain Control

BSW SSW

1

0

0

0

0

1

0

1

TC/B

Tone Control Treble

TSW

Don’t

Care

Don’t

Care

1

0

0

1

0

1

0

1

BC/B

Tone Control Bass

Don’t

Care

Don’t

Care

Don’t

Care

1

0

1

0

0

1

0

1

Input Selector

Multi Channel

Selector

Don’t Care

1

0

1

1

0

1

0

1

REC B Selector

REC A Selector

1

1

0

0

0

1

0

1

– 11 –

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