AK4141EQ Datasheet, PDF (2/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.2 for AK4141

[AKD4141-A]
„ Operation sequence
Evaluation Board Manual
1) Set up the power supply lines.
(1-1) In case of using the regulator.<Default>
[9V] (red)
=
[TVDD] (red) =
[AVDD1] (red) =
[AVDD2] (red) =
[Logic] (red)
=
[DVDD] (red) =
[AGND] (black) =
[DGND] (black) =
+9V (for regulator and PVDD of AK4682)
open
open
open
open
open
0V (analog ground)
0V (digital ground)
(Note) TVDD, AVDD1, AVDD2 of AK4141 and Logic is supplied “3.3V” from regulator (T2).
DVDD of AK4141 is supplied “1.8V” from regulator (T3).
AVDD1, AVDD2, DVDD1 and DVDD2 of AK4682 is supplied “5V” from regulator (T1).
(1-2) In case of using the power supply connectors.
[9V] (red)
=
[TVDD] (red) =
[AVDD1] (red) =
[AVDD2] (red) =
[Logic] (red)
=
[DVDD] (red) =
[AGND] (black) =
[DGND] (black) =
+9V (for PVDD of AK4682)
+3.3V (for TVDD of AK4682 and AK4141)
+3.3V (for AVDD of AK4141)
+3.3 V (for AVDD2 of AK4141)
+3.3V (for VDD of AK4114 (DIR, DIT) and logic)
+1.8V (for DVDD of AK4141)
0V (analog ground)
0V (digital ground)
(Note) AVDD1, AVDD2, DVDD1 and DVDD2 of AK4682 is supplied “5V” from regulator (T1).
2) Set up the jumper pins and switches. (See the followings.)
3) Power on.
The AK4141, AK4682, AK4114 (DIR), AK4114 (DIT) should be reset once bringing toggle SW “L” upon
power-up. Please refer to Talble 1.on this page about setting of toggle SW.
„ Setting of the toggle SW
SW2 PDN_AK4141
SW3 PDN-CODEC
SW5 PDN-DIR
SW7 PDN-DIT
PDN SW of AK4141 (U2).
Keep “H” during normal operation.
PDN SW of AK4682 (U5).
Keep “H” during normal operation.
Keep “L” when AK4682 is not used.
PDN SW of AK4114 (U7).
Keep “H” during normal operation.
Keep “L” when AK4114 is not used.
PDN SW of AK4114 (U9).
Keep “H” during normal operation.
Keep “L” when AK4114 is not used.
Table 1. Setting of the toggle SW
<KM088102>
-2-
2007/11