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AKD4647 Datasheet(PDF) 4 Page - Asahi Kasei Microsystems

Part # AKD4647
Description  Stereo CODEC with MIC/HP-AMP
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AKD4647 Datasheet(HTML) 4 Page - Asahi Kasei Microsystems

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ASAHI KASEI
[AK4647]
MS0566-E-00
2006/11
- 4 -
PIN/FUNCTION
No.
Pin Name
I/O
Function
1
NC
-
No Connect.
No internal bonding. This pin should be left floating.
2
VCOM
O
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
3
AVSS
-
Analog Ground Pin
4
NC
-
No Connect.
No internal bonding. This pin should be left floating.
5
AVDD
-
Analog Power Supply Pin
6
VCOC
O
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to AVSS with one resistor and capacitor in series.
7
I2C
I
Control Mode Select Pin
“H”: I
2C Bus, “L”: 3-wire Serial
8
NC
-
No Connect.
No internal bonding. This pin should be left floating.
9
PDN
I
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
10
NC
-
No Connect.
No internal bonding. This pin should be left floating.
11
NC
-
No Connect.
No internal bonding. This pin should be left floating.
12
NC
-
No Connect.
No internal bonding. This pin should be left floating.
13
NC
-
No Connect.
No internal bonding. This pin should be left floating.
CSN
I
Chip Select Pin (I2C pin = “L”: 3-wire Serial Mode)
14
CAD0
I
Chip Address 0 Select Pin (I2C pin = “H”: I
2C Bus Mode)
CCLK
I
Control Data Clock Pin (I2C pin = “L”: 3-wire Serial Mode)
15
SCL
I
Control Data Clock Pin (I2C pin = “H”: I
2C Bus Mode)
CDTI
I
Control Data Input Pin (I2C pin = “L”: 3-wire Serial Mode)
16
SDA
I/O
Control Data Input Pin (I2C pin = “H”: I
2C Bus Mode)
17
SDTI
I
Audio Serial Data Input Pin
18
SDTO
O
Audio Serial Data Output Pin
19
NC
-
No Connect.
No internal bonding. This pin should be left floating.
20
LRCK
I/O
Input / Output Channel Clock Pin
21
BICK
I/O
Audio Serial Data Clock Pin
22
DVDD
-
Digital Power Supply Pin
23
DVSS
-
Digital Ground Pin
24
NC
-
No Connect.
No internal bonding. This pin should be left floating.


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