cs43l43 Cirrus Logic, Inc., cs43l43 Datasheet - Page 19

• Manufacturer Part Number: cs43l43
• Description: Low-voltage Stereo D/a Converter With Headphone Amplifier
• Manufacturer: Cirrus Logic, Inc.

5.7 MODE CONTROL (ADDRESS 07H)
DS479PP3
BBCF1
5.6.2 TREBLE BOOST LEVEL (TB)
5.7.1 BASS BOOST CORNER FREQUENCY (BBCF)
5.7.2 TREBLE BOOST CORNER FREQUENCY (TBCF)
Binary Code
Function:
Function:
Function:
7
0
0000
0010
1010
1001
1100
Default = 0 dB (No Treble Boost)
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 10. Levels above
+12 dB are interpreted as +12 dB.
NOTE: Treble Boost is not available in Double-Speed Mode.
Default = 00
00 - 50 Hz
01 - 100 Hz
10 - 200 Hz
11 - Reserved
The bass boost corner frequency is user selectable as shown above.
Default = 00
00 - 2 kHz
01 - 4 kHz
10 - 7 kHz
11 - Reserved
The treble boost corner frequency is user selectable as shown above. NOTE: Treble Boost is not avail-
able in Double-Speed Mode.
Table 10. Example Treble Boost Settings
BBCF0
6
0
Decimal Value
TBCF1
12
0
2
6
9
5
0
BIT 0-3
TBCF0
4
0
Boost Setting
+12 dB
+2 dB
+6 dB
+9 dB
0 dB
BIT 6-5
BIT 4-5
A=B
3
0
DEM1
2
0
DEM0
1
0
CS43L43
VCBYP
0
0
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