Silan

Semiconductors

SC7313

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.1

2002.02.26

11

5.Bass and treble

MSB

LSB

Function

0

1

1

0

C3

C2

C1

C0

Bass

0

1

1

1

C3

C2

C1

C0

Terble

0

000

-14

0

001

-12

0

010

-10

0

011

-8

0

100

-6

0

101

-4

0

110

-2

0

111

0

1

111

0

1

110

2

1

101

4

1

100

6

1

011

8

1

010

10

1

001

12

1

000

14

C3=Sign

For Example, bass at –10dB is obtained by the following 8bit string is: 01100010.

TEST AND TYPICAL APPLICATION CIRCUIT

SC7313

11

OUT LF

24

OUT RF

23

OUT LR

22

OUT LR

10

15

14

13

9

AM/FM

TUNER

CD

PLAYER

TAPE

28

27

26

DGND

SDA

SCL

MCU

17

16

12

19

18

4

OUT(L) IN(L)

LOUD

(L)

BOUT

(L)

BIN

(L)

TREBLE

(L)

2

3

1

7

6

8

21

20

5

OUT(R) IN(R)

LOUD

(R)

BOUT

(R)

BIN

(R)

TREBLE

(R)

R1

R2

R3

L1

L2

L3

25

10

­F

10

­F

10

­F

10

­F

2.7nF

100

nF

100

nF

100

nF

2.2

­F

22

­F

2.2

­F

2.2

­F

2.2

­F

2.2

­F

2.2

­F

2.2

­F

2.2

­F

100

nF

2.7nF

100

nF

100

nF

5.6k

¡

5.6k

¡