AKD4645-B Datasheet, PDF (4/40 Pages) Asahi Kasei Microsystems – Stereo CODEC with built-in MIC/HP amplifier

ASAHI KASEI
„ Other jumper pins set up
[JP1] (GND) : Connection between AGND and DGND.
OPEN : Both grounds are separated on board.
SHORT : Both grounds are connected on board. <Default>
[JP9, JP10] : Connection of mic power.
OPEN: Mic power is not connected.
SHORT : Mic power is connected. <Default>
[JP4, JP8]: Select Pin #5, 28
Pin #5
VCOC
RIN3
Pin #28
MIN
LIN3
JP4
VCOC
RIN3
JP8
Open
Short
AIN3 bit
0
1
<Default>
[JP7] : Select the Power Booster of AK7830.
VCC : Power Booster ON
GND: Power Booster Off<Default>
[JP15] : Select Output Signal Voltage of 74AVC8T245
TVDD: TVDD = D3V <Default>
D3V : TVDD < D3V
[JP18] (SDTO-IN): Presence of external device connection via PORT3(DSP)
SHORT : connection <default>
OPEN : non-connection
„ The function of the toggle SW
[SW1] (SPK_PDN): Power down of AK7830. Keep “H” during normal operation.
[SW2] (PDN): Power down of AK4645 and AK4114. Keep “H” during normal operation.
[AKD4645-B]
„ Indication for LED
[LED1] (ERF): Monitor INT0 pin of the AK4114. LED turns on when some error has occurred to AK4114.
<KM084500>
-4-
2006/07