DS640PP4

15

CS44L11

4.4

Tone Control (address 05h)

4.4.1

Bass Boost Level (BB)

Default = 0 dB (No Bass Boost)

Function:

The level of the shelving Bass Boost filter is set by Bass Boost Level. The level can be adjusted in 1 dB

increments from 0 to +12 dB of boost. Boost levels are decoded as shown in Table 3. Levels above

+12 dB are interpreted as +12 dB.

4.4.2

Treble Boost Level (TB)

Default = 0 dB (No Treble Boost)

Function:

The level of the shelving Treble Boost filter is set by Treble Boost Level. The level can be adjusted in 1 dB

increments from 0 to +12 dB of boost. Boost levels are decoded as shown in Table 4. Levels above

+12 dB are interpreted as +12 dB.

Note:

Treble Boost is not available in Double-Speed Mode.

4.5

Mode Control 1 (address 06h)

7

6

5

432

10

BB3

BB2

BB1

BB0

TB3

TB2

TB1

TB0

0

0

0

000

00

Binary Code

Decimal Value

Boost Setting

0000 0000

0

0 dB

0000 0010

2

+2 dB

0000 0110

6

+6 dB

0000 1001

9

+9 dB

0000 1100

12

+12 dB

Table 3. Example Bass Boost Settings

Binary Code

Decimal Value

Boost Setting

0000 0000

0

0 dB

0000 0010

2

+2 dB

0000 0110

6

+6 dB

0000 1001

9

+9 dB

0000 1100

12

+12 dB

Table 4. Example Treble Boost Settings

7

6

5

432

10

BBCF1

BBCF0

TBCF1

TBCF0

TC1

TC0

TC_EN

LIM_EN

0

0

0

000

00