R2S15903SP Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Fabricante

R2S15903SP

Sound Controller with Surround & AGC

Renesas Electronics 

R2S15903SP

Note

1. When power supply is turned on

• Please do not transmit I2C data during 370ms when you turn on the power supply.

( Cext(16pin)=0.22μF , Rext(15-16pin)=10kΩ )

V

VCC(9V)

VCC(5V)

power supply

Waiting interval

more than 370ms

Transmitting I2C data

Preliminary

t

2. When mode is changed

• Please do not transmit I2C data during 370ms when you change the mode selector.

( Cext(16pin)=0.22μF , Rext(15-16pin)=10kΩ )

(EX .1) Bypass → Tone

S

Slave

Address

A

Sub 03H

Address

A

Data

XXXXXX00

Waiting interval

more than 370ms

AP

S

Slave

Address

A

Sub03H

Address

A

Data

XXXXXX01

AP

(EX .2) Surround L → Surround H

S

Slave

Address

A

Sub 03H

Address

A

Data

XXXXX011

Waiting interval

more than 370ms

AP

S

Slave

Address

A

Sub 03H

Address

A

Data

XXXXX111

AP

• When the TONE Bass gain is changed, waiting interval is unnecessary.

(EX .3) TONE Bass 1dB → 2dB

No Waiting interval

S

Slave

Address

A

Sub 03H

Address

A

Data

10001001

AP

S

Slave

Address

A

Sub 03H

Address

A

Data

10010001

AP

Rev.1.4 Dec 06, 2005 page 11 of 11

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