LC823450 Datasheet, PDF (8/55 Pages) ON Semiconductor – Low Power & High-Resolution Audio Processing System LSI

LC823450
1-4-3 Audio
Internal Bus
32
64KB SRAM divided into
A ~ N Audio Buffers
by register settings
A buffer
RAM
B buffer
Dredirect
Eredirect
Gredirect
Jredirect
Lredirect
Nredirect
RAM
C buffer
Eredirect
Gredirect
Jredirect
Lredirect
Nredirect
RAM
BIT1-0, MONO
BIT1-0, MONO
D buffer
RAM
E buffer
RAM
F buffer
Dredirect
Eredirect
Gredirect
Jredirect
Lredirect
Nredirect
G buffer
RAM
H buffer
Dredirect
Eredirect
Gredirect
Jredirect
Lredirect
Nredirect
I buffer
Dredirect
Eredirect
Gredirect
Lredirect
Nredirect
32Bit conv
Bit conv
BIT1-0, MONO
Bit conv
BIT1-0, MONO
BIT1-0, MONO
RAM
Bit conv
BIT1-0, MONO
BIT1-0, MONO
RAM
BIT1-0, MONO
RAM
8
MP3
Encoder
16
24
8
16
MP3
Decoder
METER
(DEC)
0D
E
24
C
S
E
1L
24
VOLUME
(DEC)
32
EQ3
32
EQ3
DWNMIX
(PS0)
SSRC
VOLUME
(SP0)
S0
32 I
N
S
E
L1
VOLUME
(PS0)
MUTE
(PS0)
METER
(SP1)
32
VOLUME
(SP1)
32
DWNMIX
(PS1)
VOLUME
(PS1)
METER
(PS1)
24
ASRC
MUTE
(DEC)
SINGEN
METER
(PS0)
24
S
P1
Digtal
E
Mic
L
32 C
M
S
E
L0
32
PCMSP
0
PCM input
METER
(SP0)
32
PCM
PCM output
PS0
BEEP
24
16bit
Audio
DAC
Class-D
AMP
AudioTimer0
LRCK0
DMCKO0
DMDIN0
DMCKO1
DMDIN1
DIN0
(PCM input)
DOUT0
(PCM output)
LOUT
ROUT
MCLK0/
BCK0/
LRCK0
AudioTimer1
LRCK1
32
PCM
PCM input
SP1
32
PCM
PCM output
PS1
DIN1
(PCM input)
DOUT1
(PCM output)
MCLK1/
BCK1/
LRCK1
J buffer
32Bit conv
24
RAM
Bit conv
BIT1-0, MONO
K buffer
Dredirect
Eredirect
Gredirect
Jredirect
Nredirect
BIT1-0, MONO
RAM
L buffer
CBIT1-0, CMONO
RAM
Bit conv
32Bit conv
BIT1-0, MONO
32
M buffer
Dredirect
Eredirect
Gredirect
Jredirect
Lredirect
BIT1-0, MONO
RAM
N buffer
RAM
CBIT1-0, CMONO
Bit conv
BIT1-0, MONO
32Bit conv
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