
7 DAP 1
BQ
(0x51
0x57)
SDIN1-L (L) (1)
SDIN1-R (R)
SDIN2-L (LS)
SDIN2-R (RS)
SDIN3-L (LBS)
SDIN3-R (RBS)
SDIN4-L (C)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 1
(I2C 0x41)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
DAP 1
Volume
(0xD1)
Max Vol
Bass and
Treble 1
(0xDA
0xDD)
Loud-
ness
(0x91
0x95)
OP Mixer 1
(I2C 0xAA)
8
× 2 Output
Mixer
L to
PWM1
DRC1
(0x96
0x9C)
7 DAP 2
BQ
(0x58
0x5E)
SDIN1-L (L)
SDIN1-R (R) (1)
SDIN2-L (LS)
SDIN2-R (RS)
SDIN3-L (LBS)
SDIN3-R (RBS)
SDIN4-L (C)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 2
(I2C 0x42)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
DAP 2
Volume
(0xD2)
Max Vol
Bass and
Treble 1
(0xDA
0xDD)
Loud-
ness
(0x91
0x95)
OP Mixer 2
(I2C 0xAB)
8
× 2 Output
Mixer
R to
PWM2
DRC1
(0x96
0x9C)
SDIN1-L (L)
SDIN1-R (R)
SDIN2-L (LS) (1)
SDIN2-R (RS)
SDIN3-L (LBS)
SDIN3-R (RBS)
SDIN4-L (C)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 3
(I2C 0x43)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
OP Mixer 3
(I2C 0xAC)
8
× 2 Output
Mixer
LS to
PWM3
SDIN1-L (L)
SDIN1-R (R)
SDIN2-L (LS)
SDIN2-R (RS) (1)
SDIN3-L (LBS)
SDIN3-R (RBS)
SDIN4-L (C)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 4
(I2C 0x44)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
OP Mixer 4
(I2C 0xAD)
8
× 2 Output
Mixer
RS to
PWM4
SDIN1-L (L)
SDIN1-R (R)
SDIN2-L (LS)
SDIN2-R (RS)
SDIN3-L (LBS) (1)
SDIN3-R (RBS)
SDIN4-L (C)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 5
(I2C 0x45)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
OP Mixer 5
(I2C 0xAE)
8
× 2 Output
Mixer
LBS to
PWM5
SDIN1-L (L)
SDIN1-R (R)
SDIN2-L (LS)
SDIN2-R (RS)
SDIN3-L (LBS)
SDIN3-R (RBS) (1)
SDIN4-L (C)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 6
(I2C 0x46)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
OP Mixer 6
(I2C 0xAF)
8
× 2 Output
Mixer
RBS to
PWM6
SDIN1-L (L)
SDIN1-R (R)
SDIN2-L (LS)
SDIN2-R (RS)
SDIN3-L (LBS)
SDIN3-R (RBS)
SDIN4-L (C) (1)
SDIN4-R (LFE)
A
B
C
D
E
F
G
H
IP Mixer 7
(I2C 0x47)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
OP Mixer 7
(I2C 0xB0)
8
× 3 Output
Mixer
C to
PWM7
5 DAP 8
BQ
(0x84
0x88)
SDIN1-L (L)
SDIN1-R (R)
SDIN2-L (LS)
SDIN2-R (RS)
SDIN3-L (LBS)
SDIN3-R (RBS)
SDIN4-L (C)
SDIN4-R (LFE) (1)
A
B
C
D
E
F
G
H
IP Mixer 8
(I2C 0x48)
8
× 8
Crossbar
Input Mixer
Master Vol
(0xD9)
DAP 8
Volume
(0xD8)
Max Vol
Bass and
Treble 4
(0xDA
0xDD)
Loud-
ness
(0x91
0x95)
OP Mixer 8
(I2C 0xB1)
8
× 3 Output
Mixer
Sub to
PWM8
DRC2
(0x9D
0xA1)
2 DAP 8
BQ
(0x82
0x83)
B0015-01
DAP 3
Volume
(0xD3)
DAP 4
Volume
(0xD4)
DAP 5
Volume
(0xD5)
DAP 6
Volume
(0xD6)
DAP 7
Volume
(0xD7)
TAS5508B
8-Channel Digital Audio PWM Processor
SLES162C – DECEMBER 2005 – REVISED JULY 2009
www.ti.com
(1)
Default inputs
Figure 2-2. TAS5508B Architecture With I2C Registers (fS = 176.4 kHz or fS = 192 kHz)
Description
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