SC5358

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

REV:1.1

2004.08.03

Http: www.silan.com.cn

Page 5 of 9

2. Control of SC5358

A start condition

An address byte including acknowledge bit

N data bytes including acknowledge bits

A stop condition

Please refer to the figure below.

The address byte of SC5358 can be set to 80H, 84H, 88H or 8CH through the 4th bit A3 and the 3rd bit A2.

The descriptions of data bytes are as follows.

8-bit data

MSB

LSB

Function

0

0

0

0

0

B2

B1

B0

channel 3

-10db/step

0

0

0

1

A3

A2

A1

A0

channel 3

-1db/step

0

0

1

0

0

B2

B1

B0

channel 4

-10db/step

0

0

1

1

A3

A2

A1

A0

channel 4

-1db/step

0

1

0

0

0

B2

B1

B0

channel 2

-10db/step

0

1

0

1

A3

A2

A1

A0

channel 2

-1db/step

0

1

1

0

0

B2

B1

B0

channel 5

-10db/step

0

1

1

1

A3

A2

A1

A0

channel 5

-1db/step

1

0

0

0

0

B2

B1

B0

channel 1

-10db/step

1

0

0

1

A3

A2

A1

A0

channel 1

-1db/step

1

0

1

0

0

B2

B1

B0

channel 6

-10db/step

1

0

1

1

A3

A2

A1

A0

channel 6

-1db/step

1

1

0

1

0

B2

B1

B0

all channels

-10db/step

1

1

1

0

A3

A2

A1

A0

all channels

-1db/step

1

1

1

1

1

0

0

1

all channels

mute

Low 4-bit data

A3

A2/B2

A1/B1

A0/B0

Atten. dB

0

0

0

0

0/0

0

0

0

1

1/10

0

0

1

0

2/20

0

0

1

1

3/30

0

1

0

0

4/40

0

1

0

1

5/50

0

1

1

0

6/60

0

1

1

1

7/70

1

0

0

0

8/

1

0

0

1

9/

SC5358 has no default setting, so it must be initialized.