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ASAHI KASEI
[AK4683]
MS0427-E-01
2005/11
No. Pin
Name I/O
Function
38
LOUT2
O
DAC2 Lch Positive Analog Output Pin
39
ROUT2
O
DAC2 Rch Positive Analog Output Pin
40
LOUT1
O
DAC1 Lch Positive Analog Output Pin
41
ROUT1
O
DAC1 Rch Positive Analog Output Pin
42 VCOM
-
DAC/ADC Common Voltage Output Pin
2.2
P
F capacitor should be connected to AVSS2 externally.
43 AVDD2
- DAC Power Supply Pin, 4.5V
a
5.5V
44 AVSS2
- DAC
Ground
Pin,
0V
45
LISEL
O
Lch Feedback Resistor Output Pin
46
LOPIN
O
Lch Feedback Resistor Input Pin. 0.5 x AVDD1.
47
ROPIN
O
Rch Feedback Resistor Input Pin. 0.5 x AVDD1.
48
RISEL
O
Rch Feedback Resistor Output Pin
49 AVSS1
- ADC Ground Pin, 0V
50 AVDD1
- ADC Power Supply Pin, 4.5V
a
5.5V
51
LIN1
I
Lch Input 1 Pin
52
RIN1
I
Rch Input 1 Pin
53
LIN2
I
Lch Input 2 Pin
54
RIN2
I
Rch Input 2 Pin
55
LIN3
I
Lch Input 3 Pin
56
RIN3
I
Rch Input 3 Pin
57
LIN4
I
Lch Input 4 Pin
58
RIN4
I
Rch Input 4 Pin
59
LIN5
I
Lch Input 5 Pin
60
RIN5
I
Rch Input 5 Pin
61
LIN6
I
Lch Input 6 Pin
62
RIN6
I
Rch Input 6 Pin
63 PVSS
- PLL
Ground
pin
64 R
-
External Resistor Pin
12k
:
+/-1% resistor should be connected to PVSS externally.
Note: All input pins except internal biased pin (RX0) and analog input pins (LIN1-6, RIN1-6) should not be left
floating.
Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification Pin
Name
Setting
Analog
RX0, LOUT1-2, ROUT1-2, LIN1-6, RIN1-6
These pins should be open.
INT, XTO, MCKO, VOUT/DZF/OVF, SDTOA-B,
CDTO, TX
These pins should be open.
Digital
RX1-3, CSN, CCLK, CDTI, XTI, MCLK2,
OLRCKA, ILRCKA, BICKA, SDTIA1-3,
LRCKB, BICKB, SDTIB
These pins should be connected to DVSS.
6
6
Содержание HK 990/230
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