R2A15908SP 查看數據表（PDF） - Renesas Electronics

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R2A15908SP

5 Input Selector 2ch Electronic Volume with Tone & Surround

Renesas Electronics 

R2A15908SP

Power on Reset

This IC built-in the power on reset function.

The voltage of VREF-GND less than 2V, the serial DATA can not accept.

(V)

2V

(S)

Reset time

After reset is canceled, the serial DATA can accept.

Release of reset.

I2C Bus Format

MSB

LSB

MSB

LSB

MSB

S

Slave Address

A

Sub Address

A

Data

1 bit

8 bit

1 bit

8 bit

1 bit

8 bit

LSB

A

P

1 bit 1 bit

S: Starting Term

A: Acknowledge Bit

P: Stop Term

If more than one Data Byte is transmitted, then the significant SUB ADDRESS bits are auto incremented.

00H 01H 02H 03H 04H→00H

1. Slave Address

MSB

LSB

1

0

0

0

0

0

1 R/WB

R/WB=0 : Write mode for register setting

R/WB=1 : Not available

2. Sub Address Table

Sub

BIT

Address

D7

D6

D5

D4

D3

D2

D1

D0

00H

<1>Lch Master volume

0

01H

<1>Rch Master volume

0

02H

<2>Input selector

<3>Input gain

0

03H

<4>Stereo / Mono

<5>Mode selector

0

0

0

0

04H

<6>Tone control Bass

<6>Tone control Treble

REJ03F0270-0100 Rev.1.00 Jan 25, 2008

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