AKD4128A-A Datasheet, PDF (20/52 Pages) Asahi Kasei Microsystems – AK4128A-A Evaluation Board Rev.0

„ The function of the toggle SW
Upper-side is “H” and lower-side is “L”.
[AKD4128A-A]
[SW1] (AK4128-SMUTE) É¿Soft mute of AK4128A.
When using Soft mute function, SW1 is “H”.
[SW2] (AK4128-PDN)
ɿResets the AK4128A. Keep “H” during normal operation.
The AK4128A should be resets once bringing “L” upon power-up.
[SW10] (DIR1-PDN)
ɿResets the AK4114 (U2). Keep “H” during normal operation.
The AK4114 (U2) should be resets once bringing “L” upon power-up.
Keep “L” when AK4114 (U2) is not used.
[SW11] (DIR2-PDN)
[SW12] (DIR3-PDN)
[SW13] (DIR4-PDN)
ɿResets the AK4114 (U3). Keep “H” during normal operation.
The AK4114 (U3) should be resets once bringing “L” upon power-up.
Keep “L” when AK4114 (U3) is not used.
ɿResets the AK4114 (U4). Keep “H” during normal operation.
The AK4114 (U4) should be resets once bringing “L” upon power-up.
Keep “L” when AK4114 (U4) is not used.
ɿ Resets the AK4114 (U5). Keep “H” during normal operation.
The AK4114 (U5) should be resets once bringing “L” upon power-up.
Keep “L” when AK4114 (U5) is not used.
[SW14] (DIT-PDN)
ɿ Resets the AK4114 (U6). Keep “H” during normal operation.
The AK4114 (U6) should be resets once bringing “L” upon power-up.
Keep “L” when AK4114 (U6) is not used.
„ Indication for LED
[LE1] (UNLOCK)
É¿Monitor UNLOCK pin of the AK4128A (U1).
LED turns on when PDN pin = “L”.
[KM104301]
- 20 -
2010/09