Datasheet

TAS5548
SLES270 –NOVEMBER 2012 www.ti.com
11.36 Volume Registers (0xD1–0xD9)
Channels 1, 2, 3, 4, 5, 6, 7, and 8 are mapped into registers 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7,
and 0xD8, respectively. The default volume for all channels is 0 dB.
Master volume is mapped into register 0xD9. The default for the master volume is mute.
Bits D31–D12 are reserved. D9-D0 are the volume index, their values can be calculated from Table 11-47.
Table 11-46. Volume Register Format
D31 D30 D29 D28 D27 D26 D25 D24 FUNCTION
RESE RESE RESE RESE RESE RESE RESE RESE RESERVED
RVED RVED RVED RVED RVED RVED RVED RVED
D23 D22 D21 D20 D19 D18 D17 D16 FUNCTION
RESE RESE RESE RESE RESE RESE RESE RESE RESERVED
RVED RVED RVED RVED RVED RVED RVED RVED
D15 D14 D13 D12 D11 D10 D9 D8 FUNCTION
RESE RESE RESE RESE RESE RESE V9 V8 Volume
RVED RVED RVED RVED RVED RVED
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
V7 V6 V5 V4 V3 V2 V1 V0 Volume
104 Serial-Control Interface Register Definitions Copyright © 2012, Texas Instruments Incorporated
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