AKD4634-A Datasheet, PDF (2/46 Pages) Asahi Kasei Microsystems – 16bit mono CODEC with MIC/SPK/VIDEO amplifier.

[AKD4634-A]
Evaluation Board Manual
„ Operation sequence
1) Set up the power supply lines.
1-1) When AVDD, DVDD, SVDD and VCC are supplied from the regulator. <Default>
JP3
JP4
JP9
AVDD_SEL SVDD_SEL DVDD_SEL
JP10
LVC_SEL
JP11
VCC_SEL
REG AVDD SVDD REG DVDD AVDD VCC DVDD VCC LVC
[REG]
[AVDD]
[DVDD]
[SVDD]
[VCC]
[AVSS]
[SVSS]
[DGND]
(red )
(orange)
(orange)
(blue)
(orenge)
(black)
(black)
(black)
= 5V
= open
= open
= open
= open
= 0V
= 0V
= 0V
: 3.3V is supplied to AVDD of AK4634 from regulator.
: 3.3V is supplied to DVDD of AK4634 from regulator.
: 3.3V is supplied to SVDD of AK4634 from regulator.
: 3.3V is supplied to logic block from regulator.
: for analog ground
: for analog ground
: for logic ground
1-2) When AVDD, DVDD, SVDD and VCC are supplied from the power supply connectors.
JP3
JP4
JP9
AVDD_SEL SVDD_SEL DVDD_SEL
JP10
LVC_SEL
JP11
VCC_SEL
REG AVDD SVDD REG DVDD AVDD VCC DVDD VCC LVC
[REG]
[AVDD]
[DVDD]
[SVDD]
[VCC]
[AVSS]
[SVSS]
[DGND]
(red)
(orange)
(orange)
(blue)
(orenge)
(black)
(black)
(black)
= open.
= 2.2 ∼ 3.6V : for AVDD of AK4634 (typ. 3.3V)
= 2.7 ∼ 3.6V : for DVDD of AK4634 (typ. 3.3V)
= 2.2 ∼ 4.0V : for SVDD of AK4634 (typ. 3.3V)
= 2.7 ∼ 3.6V : for logic (typ. 3.3V)
= 0V
: for analog ground
= 0V
: for analog ground
= 0V
: for logic ground
* Each supply line should be distributed from the power supply unit.
DVDD and VCC must be same voltage level.
2) Set up the evaluation mode, jumper pins and DIP switches. (See the followings.)
3) Power on.
The AK4634 and AK4114 should be reset once bringing SW1, 2 “L” upon power-up.
<KM088301>
-2-
2007/07