JVC TH-A30 Service Manual page 21

AK4355 (U6) : DAC
1.Pin layout
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
3.Pin function
Pin No. Symbol
1 VREF
2 DZF
3 PDN
4 MCLK
5 BICK
6 SDTI1
7 SDTI2
8 SDTI3
9 LRCK
10 CSN
11 CCLK
12 CDTI
13 DVDD
14 DVSS
15 ROUT3-
16 ROUT3+
17 LOUT3-
18 LOUT3+
19 ROUT2-
20 ROUT2+
21 LOUT2-
22 LOUT2+
23 ROUT1-
24 ROUT1+
25 LOUT1-
26 LOUT1+
27 AVSS
28 AVDD
Note: All input pins should not be left floating.
2.Block diagram
DZF
LOUT1+
LOUT1-
ROUT1+
ROUT1-
LOUT2+
LOUT2-
ROUT2+
ROUT2-
LOUT3+
LOUT3-
ROUT3+
ROUT3-
I/O Function
I Positive Voltage Reference Input Pin
O Zero Input Detect Pin
I Power-Down Mode Pin
When at "L", the AK4355 is in the power-down mode and is held in reset.
The AK4355 should always be reset upon power-up.
I Master Clock Input Pin
An external TTL clock should be input on this pin.
I Audio Serial Data Clock Pin
I DAC1 Audio Serial Data Input Pin
I DAC2 Audio Serial Data Input Pin
I DAC3 Audio Serial Data Input Pin
I L/R Clock Pin
I Chip Select Pin
I Control Clock Pin
I Control Data Input Pin
- Digital Power Supply Pin
- Digital Ground Pin
O DAC3 Rch Negative Analog Output Pin
O DAC3 Rch Positive Analog Output Pin
O DAC3 Lch Negative Analog Output Pin
O DAC3 Lch Positive Analog Output Pin
O DAC2 Rch Negative Analog Output Pin
O DAC2 Rch Positive Analog Output Pin
O DAC2 Lch Negative Analog Output Pin
O DAC2 Lch Positive Analog Output Pin
O DAC1 Rch Negative Analog Output Pin
O DAC1 Rch Positive Analog Output Pin
O DAC1 Lch Negative Analog Output Pin
O DAC1 Lch Positive Analog Output Pin
- Analog Ground Pin
- Analog Power Supply Pin
SCF DAC DATT
DAC
SCF DATT
SCF DAC
DATT
SCF DAC DATT
SCF DAC
DATT
SCF DAC
DATT
Audio
I/F
MCLK
LRCK
BICK
CSN
Control
CCLK
Register
CDTI
SDTI1
SDTI2
SDTI3
TH-A30
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