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IC BLOCK DIAGRAM
IC414 TC7W74FU (D-type Flip Flop with Preset and Clear)
1
2
3
4
5
6
7
8
CK
Q
Q
PR
D
CLR
VCC
GND
Truth Value
CLR
PR
D
CK
Q
Q
L
H
X
X
L
H
CLEAR
H
L
X
X
H
L
PRESET
L
L
X
X
H
H
-----
H
H
L
L
H
-----
H
H
H
H
L
-----
H
H
X
Qn
Qn
NO CHANGE
INPUTS
OUTPUTS
FUNCTION
IC503 AK4518VF (Regulater 16bit A/D, D/A Converter)
8x
Interpolator
8x
Interpolator
ΔΣ
Modulator
ΔΣ
Modulator
ΔΣ
Modulator
ΔΣ
Modulator
Decimation
Filter
Decimation
Filter
LPF
LPF
Serial I/O
Interface
Clock
Divider
Common Voltage
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PWDA
PWAD
DEM0 DEM1
MCLK
CMODE
LRCK
SCLK
SDTO
SDTI
AINL
VCML
AINR
VCMR
VRAD
VRDA
VCOM
AOUTL
AOUTR
VA AGND
VD DGND
VB
IC509 BU4052 (Analog Multiplexers/Demultiplexers)
No.
Pin name
I/O
Function
1 VRDA
I
Voltage Reference Input Pin for DAC,VA
2 VRAD
I
Voltage Reference Input Pin for ADC,VA
3 AINR
I
R-ch Analog Input Pin
4 VCMR
O
R-ch Common Voltage Output Pin 0.45 x VA
5 VCML
O
L-ch Common Voltage Output Pin 0.45 x VA
6 AINL
I
L-ch Analog Input Pin
7 PWAD
I
ADC Power Down Mode Pin "L" : Power down
8 PWDA
I
DAC Power Down Mode Pin "L" : Power down
9 MCLK
I
Master Clock Input Pin
10 LRCK
I
Input/Output Channel Clock Pin
11 SCLK
I
Audio Serial Data Clock Pin
12 SDTO
O
Audio Serial Data Output Pin
13 DGND
---
Digital Ground Pin
14 VD
---
Digital Power Supply Pin
15 SDTI
I
Audio Serial Data Input Pin
16 CMODE
I
Master Clock Select Pin "H" :384fs or 512fs, "L" : 256fs
17 DEM1
I
De-emphasis Frequency Select Pin
18 DEM0
I
De-emphasis Frequency Select Pin
19 AOUTL
O
L-ch Analog Output Pin
20 AOUTR
O
R-ch Analog Output Pin
21 VCOM
O
Common Voltage Output Pin, 0.45 x VA
22 AGND
---
Analog Ground Pin
23 VB
---
Substrate Pin
24 VA
---
Analog Power Supply Pin
1
5
2
4
11
15
14
12
16
13
10
9
6
3
8
7
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
IN
OUT
C
LOGIC LEVEL CONVERTER
A
0Y
1Y
3X
2X
1X
0X
2Y
3Y
B
INH
Y-COMMON
VEE
VSS
VDD
X-COMMON
Truth Value
INHIBIT
A
B
ON SWITCH
L
L
L
X0 Y0
L
H
L
X1 Y1
L
L
H
X2 Y2
L
H
H
X3 Y3
H
X
X
NONE
