LV1115/1115M

No.8263-5/15

I

1) The explanation of I

It does controls such as the start, the stop by two control signals of SDA (Serial Data) and SCL (Serial Clock).

The output of each signal is open drain and forms out of wired OR.

S: Start condition

P: Stop condition

ACK: Acknowledge

Data is transmitted in the MSB first.

1 unit is composed of 8 bits and ACK is put back from the slave to confirm.

Slave IC reads data with rising edge of SCL.

Master IC changes data by falling edge in SCL.

2) The control register

Table1 Slave Address

MSB

LSB

1

1

1

0

1

1

1

0

Note; LV1115/M are reception exclusive use. It depends and it uses LSB by the "0" fixation.

Sub Address

Data

Function

BINARY

HEX

D7

D6

D5

D4

D3

D2

D1

D0

Input Gain/AVL (On-Off) control

0000 0001

01

0

0

Gain

AVL MODE

Volume control

0000 0010

02

Channel

Volume

AVL detection level/Surround/MODE control

0000 0011

03

AVL DET LEVEL

Surround

MODE

Tone control [Bass]

0000 0100

04

0

0

0

Bass

Tone control [TREBLE]

0000 0101

05

0

0

0

TREBLE

AVL CONTROL

0000 0110

06

0

0

0

0

0

AVL SLOPE

Table3 AVL MODE

Sub Address

Data

A7

A6

A5

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

Mute

0

0

*

*

*

0

0

0

AVL ON

0

0

*

*

*

0

0

1

AVL OFF

0

0

*

*

*

0

1

0

Mute

0

0

*

*

*

0

1

1

Mute

0

0

0

0

0

0

0

1

0

0

*

*

*

1

0

0