AKD4342-B Datasheet, PDF (2/52 Pages) Asahi Kasei Microsystems – 24bit DAC with built-in 2Vrms lineout

ASAHI KASEI
[AKD4342-B]
Evaluation Board Manual
„ Operation sequence
1) Set up the power supply lines.
[VCC]
(red)
= 5V
[AGND]
(black)
= 0V
[DGND]
(black)
= 0V
Each supply line should be distributed from the power supply unit.
The power is supplied from VCC jack to the AK4342 via the regulator.
2) Set up the evaluation mode, jumper pins. (See the followings.)
3) Power on.
The AK4342 and AK4113 should be resets once bringing SW1 “L” upon power-up.
„ Evaluation mode
Applicable Evaluation Mode
(1) In case of using DIR (Optical Link) <default>
It is possible to use the initial setting of the audio interface format (24bit MSB justified) to evaluate the
AK4342.
(2) In case of connecting AK4342 with a external DSP
(1) In case of using DIR (Optical Link) <default>
PORT1 is used. DIR generates MCLK, BICK, LRCK and SDATA from the received data through optical
connector (TORX141). Nothing should be connected to PORT2 (DSP).
JP12
DIR_MCLK
JP5
DIR_BICK
JP6
DIR_LRCK
JP11
DIR_SDTI
<KM081502>
-2-
2006/05