Datasheet

3−14
S Slave Addr Ack Sub-Addr Ack Ack Ack0000010100000000
0xF5
CH3
Ack00000101
CH2
Ack00000101
CH1
Bass Filter Set Selection
Filter Set 5 Selected
S Slave Addr Ack Sub-Addr Ack Ack Ack0000001100000000
0xF7
CH3
Ack00000011
CH2
Ack00000011
CH1
Treble Filter Set Selection
Filter Set 3 Selected
S Slave Addr Ack Sub-Addr Ack Ack Ack0101010100000000
0xF6
Ack01010101 Ack01010101
Bass Shelf Selection (Filter Index)
Filter Shelf 0x55 Selected
S Slave Addr Ack Sub-Addr Ack Ack Ack0111101000000000
0xF8
CH3
Ack01111010
CH2
Ack
01111010
CH1
Treble Shelf Selection (Filter Index)
Filter Shelf 0x7A Selected
CH3 CH2 CH1
Figure 3−13. Bass and Treble Application Example—Subaddress Parameters
Table 3−2. Bass Shelf Filter Indices for 1/2-dB Adjustments
ADJUSTMENT
(DB)
INDEX
(1)
ADJUSTMENT
(DB)
INDEX
(1)
ADJUSTMENT
(DB)
INDEX
(1)
18 0x01 5.5 0x63 −7 0x80
17.5 0x08 5 0x64 −7.5 0x81
17 0x10 4.5 0x66 −8 0x82
16.5 0x16 4 0x67 −8.5 0x83
16 0x1D 3.5 0x69 −9 0x84
15.5 0x23 3 0x6A −9.5 0x85
15 0x28 2.5 0x6B −10 0x86
14.5 0x2D 2 0x6D −10.5 0x87
14 0x32 1.5 0x6E −11 0x88
13.5 0x37 1 0x6F −11.5 0x89
13 0x3B 0.5 0x71 −12 0x8A
12.5 0x3F 0 0x72 −12.5 0x8B
12 0x42 −0.5 0x73 −13 0x8C
11.5 0x46 −1 0x74 −13.5 0x8D
11 0x49 −1.5 0x75 −14 0x8E
10.5 0x4C −2 0x76 −14.5 0x8F
10 0x4F −2.5 0x77 −15 0x90
9.5 0x52 −3 0x78 −15.5 0x91
9 0x55 −3.5 0x79 −16 0x92
8.5 0x58 −4 0x7A −16.5 0x93
8 0x5A −4.5 0x7B −17 0x94
7.5 0x5C −5 0x7C −17.5 0x95
7 0x5E −5.5 0x7D −18 0x96
6.5 0x60 −6 0x7E
6 0x62 −6.5 0x7F
(1) CH1 Index is Subaddress 0xF6, Bit Field 7:0. CH2 Index is Subaddress 0xF6, Bit Field 15:8. CH3
Index is Subaddress 0xF6, Bit Field 23:16.