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TAS5548DCAR Datasheet(PDF) 70 Page - Texas Instruments

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Part # TAS5548DCAR
Description  8-Channel HD Compatible Audio Processor
PDF  116 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TAS5548DCAR Datasheet(HTML) 70 Page - Texas Instruments

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TAS5548
SLES270A – NOVEMBER 2012 – REVISED APRIL 2015
www.ti.com
7.6.2.20 Input Mixer Registers, Channels 1–8 (0x41–0x48)
Input mixers 1, 2, 3, 4, 5, 6, 7, and 8 are mapped into registers 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, and
0x48, respectively.
Each gain coefficient is in 28-bit (5.23) format, so 0x80 0000 is a gain of 1. Each gain coefficient is written as a
32-bit word with the upper four bits reserved. For eight gain coefficients, the total is 32 bytes.
There is no negative value available. The mixer cannot phase invert.
Bold indicates the one channel that is passed through the mixer.
Table 37. Channel 1–8 Input Mixer Register Format
REGISTER
I2C
TOTAL
DESCRIPTION OF CONTENTS
DEFAULT STATE
SUBADDRESS
BYTES
FIELDS
A_to_ipmix[1]
SDIN1-left (Ch1) A to input mixer 1 coefficient (default = 1)
0080 0000
B_to_ipmix[1]
SDIN1-right (Ch2) B to input mixer 1 coefficient (default = 0)
0000 0000
C_to_ipmix[1]
SDIN2-left (Ch3) C to input mixer 1 coefficient (default = 0)
0000 0000
D_to_ipmix[1]
SDIN2-right (Ch4) D to input mixer 1 coefficient (default = 0)
0000 0000
0x41
32
E_to_ipmix[1]
SDIN3-left (Ch5) E to input mixer 1 coefficient (default = 0)
0000 0000
F_to_ipmix[1]
SDIN3-right (Ch6) F to input mixer 1 coefficient (default = 0)
0000 0000
G_to_ipmix[1]
SDIN4-left (Ch7) G to input mixer 1 coefficient (default = 0)
0000 0000
H_to_ipmix[1]
SDIN4-right (Ch8) H to input mixer 1 coefficient (default = 0)
0000 0000
A_to_ipmix[2]
SDIN1-left (Ch1) A to input mixer 2 coefficient (default = 0)
0000 0000
B_to_ipmix[2]
SDIN1-right (Ch2) B to input mixer 2 coefficient (default = 1)
0080 0000
C_to_ipmix[2]
SDIN2-left (Ch3) C to input mixer 2 coefficient (default = 0)
0000 0000
D_to_ipmix[2]
SDIN2-right (Ch4) D to input mixer 2 coefficient (default = 0)
0000 0000
0x42
32
E_to_ipmix[2]
SDIN3-left (Ch5) E to input mixer 2 coefficient (default = 0)
0000 0000
F_to_ipmix[2]
SDIN3-right (Ch6) F to input mixer 2 coefficient (default = 0)
0000 0000
G_to_ipmix[2]
SDIN4-left (Ch7) G to input mixer 2 coefficient (default = 0)
0000 0000
H_to_ipmix[2]
SDIN4-right (Ch8) H to input mixer 2 coefficient (default = 0)
0000 0000
A_to_ipmix[3]
SDIN1-left (Ch1) A to input mixer 3 coefficient (default = 0)
0000 0000
B_to_ipmix[3]
SDIN1-right (Ch2) B to input mixer 3 coefficient (default = 0)
0000 0000
C_to_ipmix[3]
SDIN2-left (Ch3) C to input mixer 3 coefficient (default = 1)
0080 0000
D_to_ipmix[3]
SDIN2-right (Ch4) D to input mixer 3 coefficient (default = 0)
0000 0000
0x43
32
E_to_ipmix[3]
SDIN3-left (Ch5) E to input mixer 3 coefficient (default = 0)
0000 0000
F_to_ipmix[3]
SDIN3-right (Ch6) F to input mixer 3 coefficient (default = 0)
0000 0000
G_to_ipmix[3]
SDIN4-left (Ch7) G to input mixer 3 coefficient (default = 0)
0000 0000
H_to_ipmix[3]
SDIN4-right (Ch8) H to input mixer 3 coefficient (default = 0)
0000 0000
A_to_ipmix[4]
SDIN1-left (Ch1) A to input mixer 4 coefficient (default = 0)
0000 0000
B_to_ipmix[4]
SDIN1-right (Ch2) B to input mixer 4 coefficient (default = 0)
0000 0000
C_to_ipmix[4]
SDIN2-left (Ch3) C to input mixer 4 coefficient (default = 0)
0000 0000
D_to_ipmix[4]
SDIN2-right (Ch4) D to input mixer 4 coefficient (default = 1)
0080 0000
0x44
32
E_to_ipmix[4]
SDIN3-left (Ch5) E to input mixer 4 coefficient (default = 0)
0000 0000
F_to_ipmix[4]
SDIN3-right (Ch6) F to input mixer 4 coefficient (default = 0)
0000 0000
G_to_ipmix[4]
SDIN4-left (Ch7) G to input mixer 4 coefficient (default = 0)
0000 0000
H_to_ipmix[4]
SDIN4-right (Ch8) H to input mixer 4 coefficient (default = 0)
0000 0000
70
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