AKD4145-A Datasheet, PDF (3/32 Pages) Asahi Kasei Microsystems – Evaluation board Rev.3 for AK4145

„ Setting of the toggle SW
No.
SW1
Name
PDN-AK4145
PDN SW of AK4145 (U2).
Keep “H” during normal operation.
Function
SW2 PDN-ADC
SW3 PDN-DIR
PDN SW of AK5357 (U1).
Keep “H” during normal operation.
Keep “L” when AK5357 is not used.
PDN SW of AK4114 (U4).
Keep “H” during normal operation.
Keep “L” when AK4114 is not used.
Table. 1 Setting of the toggle SW
[AKD4145-A]
„ Indication for LED
[LED1] (INT) : Monitor INT0 pin of the DIR (AK4114). LED turns on when PLL of the AK4114 is unlocked.
„ Setting of jumper pins
No
Name
1 Serial
2 AMP
3 CA
4 I2S
6 RX
7 DIF/SCL
8 FS/SDA
9 DIR-SDTI
10 DIR-LRCK
Function
AK4145 Control Mode
Open : Parallel Control. <Default>
Short : Serial Control.
Output of OP-Amp
Open : Out of use.
Short : Connected. <Default>
Output of CA
THR : Out of use.
AMP : Amplify CA with OP-Amp <Default>
Audio I/F of AK5357 (ADC)
Open : 24bit MSB justified.
Short : 24bit I²S Compatible. <Default>
RX input of AK4114 (DIR)
OPT : Optical (PORT1). <Default>
BNC : BNC RX (J6).
Selection of AK4145’s DIF/SCL pin
DIF: DIF in parallel mode. <Default>
SCL:SCL in serial mode.
Selection of AK4145’s FS/SDA pin
FS: FS in parallel mode. <Default>
SDA : SDA in serial mode.
Input of AK4145’s SDTI
Open : PORT2.
SDTI : DIR. <Default>
Input of AK4145’s LRCK
Open : PORT2.
Short : DIR. <Default>
<KM090003>
-3-
2008/08