AKD4642EN Datasheet, PDF (4/35 Pages) Asahi Kasei Microsystems – AK4642EN Evaluation board Rev.0

ASAHI KASEI
[AKD4642EN-B]
„ Other jumper pins set up
1. JP1 (GND) : Connection between AGND and DGND.
OPEN : Both grounds are separated on board.
SHORT : Both grounds are connected on board. <Default>
2. JP2,JP3 : Connection of mic power.
OPEN: Mic power is not connected.
SHORT : Mic power is connected. <Default>
3. JP4,JP5 : Select speaker type.
OPEN : Piezo speaker
SHORT : Dynamic speaker <Default>
4. JP12 : Select speaker type.
Dynamic: Dynamic speaker <Default>
Piezo: Piezo speaker
„ The function of the toggle SW
Upper-side is “H” and lower side is “L”.
[SW1] (PDN): Power down of AK4642EN and AK4114. Keep “H” during normal operation.
„ Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4114. LED turns on when some error has occurred to AK4114.
<KM079300>
-4-
2005/06