Datasheet

TAS5548
www.ti.com SLES270 –NOVEMBER 2012
Bits D7–D3 are reserved.
Table 11-57. Channels 7, 2, and 1 (Center, Right Front, and Left Front)
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 0 0 0 0 0 0 0 No change
0 0 0 0 0 0 0 1 Treble filter set 1
0 0 0 0 0 0 1 0 Treble filter set 2
0 0 0 0 0 0 1 1 Treble filter set 3
0 0 0 0 0 1 0 0 Treble filter set 4
0 0 0 0 0 1 0 1 Treble filter set 5
0 0 0 0 0 1 1 0 Illegal
0 0 0 0 0 1 1 1 Illegal
11.40 Treble Filter Index (0xDD)
Index values above 0x24 are invalid. To use the bass and treble function, the bass and treble bypass
registers (0x89 - 0x90) must be configured as inline (enabled).
Table 11-58. Treble Filter Index Register Format
I
2
C REGISTER
TOTAL BYTES DESCRIPTION OF CONTENTS DEFAULT STATE
SUBADDRESS NAME
0xDD 4 Treble filter index (TFI) Ch8_TFI[31:24], Ch65_TFI[23:16], 1212 1212
Ch43_TFI[15:8], Ch721_TFI[7:0]
Table 11-59. Treble Filter Indexes
TREBLE INDEX VALUE ADJUSTMENT (dB) TREBLE INDEX VALUE ADJUSTMENT (dB)
0x00 18 0x13 –1
0x01 17 0x14 –2
0x02 16 0x15 –3
0x03 15 0x16 –4
0x04 14 0x17 –5
0x05 13 0x18 –6
0x\06 12 0x19 –7
0x07 11 0x1A –8
0x08 10 0x1B –9
0x09 9 0x1C –10
0x0A 8 0x1D –11
0x0B 7 0x1E –12
0x0C 6 0x1F –13
0x0D 5 0x20 –14
0x0E 4 0x21 –15
0x0F 3 0x22 –16
0x10 2 0x23 –17
0x11 1 0x24 –18
0x12 0
Copyright © 2012, Texas Instruments Incorporated Serial-Control Interface Register Definitions 109
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