AK4712EN_ View Datasheet(PDF) - Asahi Kasei Microdevices
Part Name
Description
View to exact match
AK4712EN_ Datasheet PDF : 32 Pages
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[JP5] (GND): AINL- pin input select
OPEN: J5 (AINL): 3pin <Default>
SHORT: GND (Not to use)
[JP6] (GND): AINR- pin input select
OPEN: J13 (AINR): 3pin <Default>
SHORT: GND (Not to use)
[JP7] Not for use
[JP8] (GND): Analog ground and Digital ground
OPEN: Separated
SHORT: Common. (The connector “DGND” can be open.) <Default>
[AKD4712-A]
[JP9] (VD1): Regulator (+3.3V) or VD1 connector
OPEN: VD1 pin is supplied from VD1 connector.
SHORT: VD1 pin is supplied from regulator (+3.3V). (The connector “VD1” can be open.) <Default>
[JP10] (D3.3V): Regulator (+3.3V) or D3.3V connector
OPEN: Logic voltage is supplied from D3.3V connector.
SHORT: Logic voltage is supplied form regulator (+3.3V). (The connector “VCC” can be open.) <Default>
[JP11] (VD2): Regulator (+3.3V) or VD2 connector
OPEN: VD2 pin is supplied from VD2 connector.
SHORT: VD2 pin is supplied from regulator (+3.3V). (The connector “VD1” can be open.) <Default>
[JP12] (VVD): Regulator (+3.3V) or VVD connector
OPEN: VVD and HVVD pins are supplied from VVD connector.
SHORT: VVD and HVVD pins are supplied from regulator (+3.3V)
(The connector “VVD” can be open.) <Default>
[JP13] (REG-SEL): Regulator (+3.3V) from T2 or T3
T2: Regulator supplied from T2. <Default>
T3: Regulator supplied from T3.
The T2 regulator can supply 3.3V to all circuits by shorting JP9, JP10, JP11 and JP12 and supplying 5V to +5V
connector.
DIP SW Function
No.
Pin
OFF
ON
Audio mute MUTEN bit
1
MUTEN L: Mute
H: Unmute (default)
I2C Control Enable pin
2
I2CSEL L: Disable (Hard Wired) (default)
H: Enable (I2C)
Default
ON
OFF
When the I2CSEL pin = “L” (Hard Wired), the SDA/MUTEN pin is used for audio mute. MUTEN bit is ignored.
MUTEN pin
L
H
Audio Output Status
Mute
Unmute
(1) Hard Wired Mode
When the I2CSEL pin= “H” (I2C), MUTEN bit is used for audio mute. The SDA/MUTEN pin is used for Control Data Input.
<KM111300>
-3-
2012/06
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