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AK4712EN_ View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name
Description
View to exact match
AK4712EN_
AKM
Asahi Kasei Microdevices AKM
AK4712EN_ Datasheet PDF : 32 Pages
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[AKD4712-A]
EVALUATION BOARD MANUAL
„ Operation sequence
1) Set up the power supply lines.
Name of
Jack
+5V
VD1
VD2
VVD
D3.3V
VSS
VSS2
DGND
Color of
Jack
Yellow
Red
Red
Red
Red
Black
Black
Black
Voltage
+5V
+3.13+3.47
+3.13+3.47V
+3.13+3.47V
+3.13 3.47V
0V
0V
0V
Used for
Power supply of
AK4712
VD1 of AK4712
VD2 of AK4712
VVD of AK4712
HDVVD of AK4712
Logic Power supply
Analog Ground
Analog Ground
Digital Ground
Comments
Should always be connected
Should be connected when JP9 (VD1) is OPEN.
Should be open when JP9 (VD1) is SHORT.
Should be connected when JP11 (VD2) is
OPEN.
Should be open when R51 (VD2) is SHORT.
Should be connected when JP12 (VVD) is
OPEN.
Should be open when JP12(VVD) is SHORT.
Should be connected when JP10 (D3.3V) is
OPEN.
Should be open when JP10 (D3.3V) is SHORT.
Should always be connected
Should always be connected when VD2 is
connected.
Should be connected when JP8 (GND) is
OPEN.
Should be open when JP8(GND) is SHORT.
Default of
Jack
+5V
SHORT
SHORT
SHORT
SHORT
0V
open
open
Table 1.Power supply lines
Each supply line should be distributed from the power supply unit.
2) Set-up jumper pins. (See the following.)
3) Power on.
AK4712 should be reset once by bringing SW1 “L” upon power-up.
„ Jumper pin settings
[JP1] (AINL+_SEL): AINL+ pin input select
INPUT1: R=20kΩ <Default>
INPUT2: R=0Ω
[JP2] (AINR+_SEL): AINR+ pin input select
INPUT1: R=20kΩ <Default>
INPUT2: R=0Ω
[JP3] (MUTEN/SCL_SEL): SDA/MUTEN pin input select
SDA:
SDA
MUTEN: MUTEN <Default>
*When I2CSEL=”L”(Hard Wired), SDA/MUTEN pin is used for audio mute.
[JP4] (UVP/SCL_SEL): SCL/UVP (Under Voltage Protection)
SCL: SCL <Default>
UVP: UVP
*When I2CSEL=”L”, UVP pin can be used for Under Voltage Protection.
<KM111300>
-2-
2012/06
 

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