AKD4671-B Datasheet, PDF (2/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier

[AKD4671-B]
Evaluation Board Manual
„ Operation sequence
1) Set up the power supply lines.
(1-1) In case of using the regulator.
Set up the jumper pins.
JP
State
JP18
SVDD
SEL
Short
JP20
AVDD
SEL
Short
JP22
SAVDD
SEL
Short
JP24
PVDD
SEL
Short
JP26
DVDD
SEL
Short
JP27 JP29
TVDD2 TVDD3
SEL
SEL
Short Short
JP31
VCC
SEL
Short
JP7
VCC2
SEL
Short
Set up the power supply lines.
[REG] (red)
[D3V] (orange)
[AGND] (black)
[DGND] (black)
= 5.0V
: for regulator (3.3V output : AK4671 , Logic)
= 2.7 ∼ 3.6V : for AK4114 and logic (typ. 3.3V)
= 0V
: for analog ground
= 0V
: for logic ground
(1-2) In case of using the power supply connectors.
Set up the jumper pins.
JP
State
JP18
SVDD
SEL
Open
JP20
AVDD
SEL
Open
JP22
SAVDD
SEL
Open
JP24
PVDD
SEL
Open
JP26
DVDD
SEL
Open
JP27 JP29
TVDD2 TVDD3
SEL
SEL
Open Open
JP31
VCC
SEL
Open
JP7
VCC2
SEL
Open
Set up the power supply lines.
[SVDD] (orange)
[AVDD] (orange)
[SAVDD] (orange)
[PVDD] (orange)
[DVDD] (orange)
[TVDD2] (orange)
[TVDD3] (orange)
[VCC] (orange)
[VCC2] (orange)
[D3V] (orange)
[AGND] (black)
[DGND] (black)
= 3.0 ~ 5.5V : for SVDD of AK4212 (typ. 3.6V)
= 2.2 ~ 3.6V : for AVDD of AK4671 (typ. 3.3V)
= 2.2 ~ 3.6V : for SAVDD of AK4671 (typ. 3.3V)
= 2.2 ∼ 3.6V : for PVDD of AK4671 (typ. 3.3V)
= 1.6 ∼ 3.6V : for DVDD of AK4671 (typ. 3.3V)
= 1.6 ∼ 3.6V : for TVDD2 of AK4671 (typ. 3.3V)
= 1.6 ∼ 3.6V : for TVDD3 of AK4671 (typ. 3.3V)
= 1.6 ∼ 3.6V : for logic (typ. 3.3V : the voltage same as DVDD)
= 1.6 ∼ 3.6V : for logic (typ. 3.3V : the voltage same as TVDD2 and TVDD3)
= 2.7 ∼ 3.6V : for AK4114 and logic (typ. 3.3V)
= 0V
: for analog ground
= 0V
: for logic ground
* Each supply line should be distributed from the power supply unit.
2) Set up the evaluation mode, jumper pins and DIP switches. (See the followings.)
3) Power on.
The AK4671 and AK4114 should be reset once bringing SW1 (DIR) and SW2 (PDN) “L” upon power-up.
<KM089000>
-2-
2007 / 05