AKD4686-B Datasheet, PDF (2/55 Pages) Asahi Kasei Microsystems – AK4686 Evaluation Board Rev.0

[AKD4686-B]
EVALUATION BOARD MANUAL
„ Operating sequence
1. Set up power supply lines.
Name of Color of
Jack
Jack
Voltage
+5V
Red +4.5∼+5.5V
AVDD1 Orange +3.0∼+3.6V
AVDD2 Orange +3.0∼+3.6V
DVDD Orange +3.0∼+3.6V
CVDD Orange +3.0∼+3.6V
D3.3V Orange +3.0∼+3.6V
VSS1 Black
0V
VSS2 Black
0V
VSS3 Black
0V
VSS4 Black
0V
DGND Black
0V
Used for
Comment and attention
Regulator T2, T5 Should be always connected
Should be open when JP40
AVDD1 of AK4686
(AVDD1_SEL) is set to REG side.
Should be connected when JP40
(AVDD1_SEL) is set to AVDD1 side.
Should be open when JP41
AVDD2 of AK4686
(AVDD2_SEL) is set to REG side.
Should be connected when JP41
(AVDD2_SEL) is set to AVDD2 side.
Should be open when JP42 (DVDD_SEL)
DVDD of AK4686
is set to REG side.
Should be connected when JP42
(DVDD_SEL) is set to DVDD side.
Should be connected when default.
CVDD of AK4686 Should be open in case of using regulator
T2 when R85 is short and L7 is open.
Should be open when JP45 (D3.3V_SEL)
Power supply of is set to REG side.
logic
Should be connected when JP45
(D3.3V_SEL) is set to D3.3V side.
Analog Ground Should be always connected
Analog Ground Should be always connected
Analog Ground Should be always connected
Analog Ground Should be always connected
Digital Ground Should be always connected
Table 1. Power supply lines
Default
+5V
Open
Open
Open
+3.3V
Open
0V
0V
0V
0V
0V
Each supply line should be distributed from the power supply unit.
2. Set up evaluation mode and jumper pins. (Refer to the following item.)
3. Connect cables. (Refer to the following item.)
4. Power on.
The AK4686 (U1) should be reset once bringing SW1 (PDN) “L” upon power-up.
Keep “H” during normal operaion.
5. Set up control software registers. (Refer to the following item.)
< KM103800>
-2-
2010/08