Datasheet
3−13
S Slave Addr Ack Subaddr Ack Ack Ack00000xxx00000000
0xF5
CH3
Ack00000xxx
CH2
Ack00000xxx
CH1
S Slave Addr Ack Subaddr Ack Ack Ack00000xxx00000000
0xF7
CH3
Ack00000xxx
CH2
Ack00000xxx
CH1
S Slave Addr Ack Subaddr Ack Ack Ackxxxxxxxx00000000
0xF6
Ackxxxxxxxx Ackxxxxxxxx
S Slave Addr Ack Subaddr Ack Ack Ackxxxxxxxx00000000
0xF8
Ackxxxxxxxx Ackxxxxxxxx
CH1
Treble Shelf Selection (Filter Index)
CH2
CH3
CH1CH2CH3
Bass Shelf Selection (Filter Index)
Treble Filter Set Selection
Bass Filter Set Selection
BASS
FILTER 5
BASS
FILTER 4
BASS
FILTER 3
BASS
FILTER 2
BASS
FILTER 1
TREBLE
FILTER 5
TREBLE
FILTER 3
TREBLE
FILTER 1
TREBLE
FILTER 4
TREBLE
FILTER 2
MID-BAND
MAX BOOST
SHELF
MAX CUT
SHELF
Treble and Bass Filter Set Commands
0 => Reserved
1 − 5 => Filter Sets 1 − 5
6 − 7 => Reserved
Treble and Bass Filter Shelf Commands
0 => Reserved
1 − 150 => Filter Shelves 1 − 150
1 => +18-dB Boost
150 => −18-dB Cut
151 − 255 => Reserved
FREQUENCY
S Slave Addr Ack Subaddr Ack Ack Ack0000000000000000
0xF1
Ack0000000 Ackxxxxxxxx
Treble/Bass Slew Rate = TBLC
(Slew Rate = TBLC/Fs,
Where Fs = Audio Sample Rate)
Treble/Bass Slew Rate Selection
V
C
S
07
3-dB CORNERS (kHz)
Fs
(LRCLK)
FILTER SET 5
FILTER SET 4
(Default)
FILTER SET 3 FILTER SET 2 FILTER SET 1
(LRCLK)
BASS TREBLE BASS TREBLE BASS TREBLE BASS TREBLE BASS TREBLE
96 kHz 0.25 6 0.5 12 0.75 18 1 24 1.5 36
88.4 kHz 0.23 5.525 0.46 11.05 0.691 16.575 0.921 22.1 1.381 33.15
64 kHz 0.167 4 0.333 8 0.5 12 0.667 16 1 24
48 kHz 0.125 3 0.25 6 0.375 9 0.5 12 0.75 18
44.1 kHz 0.115 2.756 0.23 5.513 0.345 8.269 0.459 11.025 0.689 16.538
38 kHz 0.099 2.375 0.198 4.75 0.297 7.125 0.396 9.5 0.594 14.25
32 kHz 0.083 2 0.167 4 0.25 6 0.333 8 0.5 12
24 kHz 0.063 1.5 0.125 3 0.188 4.5 0.25 6 0.375 9
22.05 kHz 0.057 1.378 0.115 2.756 0.172 4.134 0.23 5.513 0.345 8.269
16 kHz 0.042 1 0.083 2 0.125 3 0.167 4 0.25 6
12 kHz 0.031 0.75 0.063 1.5 0.094 2.25 0.125 3 0.188 4.5
11.025 kHz 0.029 0.689 0.057 1.378 0.086 2.067 0.115 2.756 0.172 4.134
Figure 3−13. Bass and Treble Filter Selections