28
DSP-A5
IC6 : AK4526A-VQ (CODEC. ADC/DAC)
20-bit 6-channel A/D, D/A Converter
VR
VR
VR
VR
VR
VR
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
SDOS
OCKS
M/S
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
DEM1
DEM0
MCKO
DVDD
DVSS
/PD
XTS
ICKS1
ICKS0
CAD1
CAD0
CDTO
CDTI
CCLK
/CS
P/S
MCKI
XTI
AVSS
AVDD
VREFH
VCOM
VREFL
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
34
35
36
37
38
39
40
41
42
43
44
23
24
25
26
27
28
29
30
31
32
33
13
12
11
1
6
9
7
8
25
26
23
24
DEM0
10
DAUX
SDIN3
SDIN2
SDIN1
SDOUT
BICK
LRCK
MCLK
DEM1
2
14
OCKS
MCKO
DFS
SDTO
SDOS
SDTI1
LOUT2
LOUT2
28
ROUT1
27
LOUT1
31
RIN–
ROUT2
ROUT3
SDTI2
SDTI3
TOP VIEW
39
5
4
MCKI
LRCK
BICK
32
RIN+
29
LIN–
30
LIN+
1/2
Audio
I/F
ADC
HPF
DEM
Clock Gen.
ADC
HPF
Pin
Pin
I/O
Function
No.
Name
1
SDOS
I
Fixed L
2
OCKS
I
Fixed L
3
M/S
I
Fixed L
4
BICK
I
Audio serial data clock,
64fs bit clock input from microcomputer
5
LRCK
I
L/R channel clock,
1fs word clock input from microcomputer
6
SDTI1
I
DAC Audio serial data input 1-3,
PCM input from AC3D2av
7
SDTI2
I
8
SDTI3
I
9
SDTO
O
Audio serial data output,audio
data for AC3D2av
10
DAUX
I
Fixed L
Double speed sampling mode selection
data input from DIR5
De-emphasis frequency select input 1 (Fixed L)
De-emphasis frequency select input 0 (Fixed L)
Power-down and reset, initial clear input
from AC3D2av
19
ICKS1
I
Connected to ground (analog)
20
ICKS0
I
Connected to ground (analog)
21
CAD1
I
Connected to ground (analog)
22
CAD0
I
Connected to ground (analog)
44
CDTO
O
Unconnected
Pin
Pin
I/O
Function
No.
Name
23
LOUT3
O
O
Lch analog output 3, for CENTER
Rch analog output 3, for LFE
24
ROUT3
25
LOUT2
O
O
Lch analog output 2, for REAR
26
ROUT2
Rch analog output 2, for REAR
27
LOUT1
O
Lch analog output 1, for FRONT
28
ROUT1
O
Rch analog output 1, for FRONT
29
LIN–
I
Lch negative analog input, from MAIN
30
LIN+
I
Lch positive analog input, from MAIN
31
RIN–
I
Rch negative analog input, from MAIN
32
RIN+
I
Rch positive analog input, from MAIN
33
VREFL
I
Reference voltage (Low) input (analog)
34
VCOM
O
Common voltage output
35
VREFH
I
I
Reference voltage (High) input (analog)
36
AVDD
Power supply (analog)
37
AVSS
Ground (analog)
38
XTI
Unconnected
39
MCKI
External master clock input, 256fs bit
clock input from DIR5
40
P/S
I
Fixed L
41
/CS
I
Chip select in serial mode, chip enable
from microcomputer
42
CCLK
I
Control data clock in serial mode,
serial clock from microcomputer
43
CDTI
I
Control data input in serial mode,
serial data from microcomputer
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