AKD4554 Datasheet, PDF (7/27 Pages) Asahi Kasei Microsystems – Evaluation board Rev.0 for AK4554

ASAHI KASEI
[AKD4554]
„ Other jumper pins set up
[JP1] (GND): Connection between AGND and DGND
open:Both grounds are separated on board.<default>
short: Both grounds are connected on board.
[JP2] (REG): Select to regulator
open:On-board regulator is not used. <default>
short: On-board regulator is used.(The connector “VDD” can be open.)
[JP3] (PWR): Pull up power supply select for SDTO.
VDD: Connected to VDD of AK4554. <default>
D3V: Supplied from regulator (3V).
„ The function of the toggle SW.
Upper-side is “ON” and lower side is “OFF”.
[SW2] (PDN): Resets the AK4554 and AK4114. Keep “ON” during normal operation.
„ Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4114. LED turns on when some error has occurred to AK4114.
<KM077900>
-7-
2005/03