95
Integrated Circuit Diagrams
AK4528VF, 24 bit CODEC
AINL+
AINR+
VCOM
AOUTL+
AOUTL-
AOUTR-
AOUTR+
VREF
VA
AGND
CSN
(DIF)
CCLK
(CKS1)
CDTI
(CKS0)
P/S
MCLK
SDTI
SDTO
BICK
LRCK
DGND
VT
VD
ADC
DAC
HPF
DATT
SMUTE
Audio I/F
Controller
Control Register I/F
Clock Divider
PDN
AINL-
AINR-
DEM1
DEM0
DFS
AGND
VCOM
AINR+
AINR-
AINL+
AINL-
VREF
VA
P/S
MCLK
LRCK
BICK
SDTO
)
0
S
K
C
(
I
T
D
C
I
T
D
S
CCLK(CKS1)
CSN(DIF)
DFS
DEM1
VT
VD
DGND
AOUTL-
AOUTL+
AOUTR-
AOUTR+
PDN
DEM0
1
2
3
4
5
6
7
8
9
10
11
12
13
5
1
4
1
16
17
18
19
20
21
22
23
24
25
26
27
28
AK4528
Top
View
BLOCK DIAGRAM
PINOUT DIAGRAM
PIN/FUNCTION
n
o
i
t
c
n
u
F
O
/
I
e
m
a
N
n
i
P
.
o
N
1
VCOM
O
Common Voltage Output Pin, VA/2
Bias voltage of ADC inputs and DAC outputs.
2
AINR+
I
Rch Positive Input Pin
3
AINR-
I
Rch Negative Input Pin
4
AINL+
I
Lch Positive Input Pin
5
AINL-
I
Lch Negative Input Pin
6
VREF
I
Voltage Reference Input Pin, VA
Used as a voltage reference by ADC & DAC. VREF is connected
externally to filtered VA.
7
AGND
-
Analog Ground Pin
8
VA
-
Analog Power Supply Pin, 4.75 5.25V
9
P/S
I
Parallel/Serial Mode Select Pin
“L”: Serial Mode, “H”: Parallel Mode
10
MCLK
I
Master Clock Input Pin
11
LRCK
I
Input/Output Channel Clock Pin
12
BICK
I
Audio Serial Data Clock Pin
13
SDTO
O
Audio Serial Data Output Pin
14
SDTI
I
Audio Serial Data Input Pin
CDTI
I
Control Data Input Pin in Serial Mode
15
CKS0
I
Master Clock Select Pin
CCLK
I
Control Data Clock Pin in Serial Mode
16
CKS1
I
Master Clock Select Pin
CSN
I
Chip Select Pin in Serial Mode
17
DIF
I
Digital Audio Interface Select Pin
“L”: 24bit MSB justified, “H”: I
2
S compatible
18
DFS
I
Double Speed Sampling Mode Pin
19
PDN
I
Power-Down Mode Pin
“H”: Power up, “L”: Power down reset and initialize the control register.
20
DEM0
I
De-emphasis Control Pin
21
DEM1
I
De-emphasis Control Pin
22
VT
-
Output Buffer Power Supply Pin, 2.7 5.25V
23
VD
-
Digital Power Supply Pin, 4.75 5.25V
24
DGND
-
Digital Ground Pin
25
AOUTL-
O
Lch Negative Analog Output Pin
26
AOUTL+
O
Lch Positive Analog Output Pin
27
AOUTR-
O
Rch Negative Analog Output Pin
28
AOUTR+
O
Rch Positive Analog Output Pin
Summary of Contents for FREESPACE 4400
Page 87: ...87 Circuit Board Layout Diagrams Figure 12 DSP PCB Top Etch Board Layout Diagram ...
Page 88: ...88 Circuit Board Layout Diagrams Figure 13 DSP PCB Bottom Etch Board Layout Diagram ...
Page 90: ...90 Circuit Board Layout Diagrams Figure 18 Amplifier Upper PCB Top Etch Board Layout Diagram ...
