AKD4385 Datasheet, PDF (3/27 Pages) Asahi Kasei Microsystems – Evaluation board for AK4385

ASAHI KASEI
[AKD4385-B]
n Evaluation mode
1. DIR(COAX Link) (default)
J1 is used for the evaluation using such as CD test disk. The DIR generates MCLK, BICK and LRCK SDATA from the
received data through BNC connector (J1). Setting of jumper is shown below.
• COAX is recommended for an evaluation of the sound quality.
JP3
JP1
OPT
DVDD
COAX
BNC
(Default)
JP2
AVDD
Figure 2. Jumper setting, when using DIR
2. DIR(Optical Link)
J1 is used for the evaluation using such as CD test disk. The DIR generates MCLK, BICK and LRCK SDATA from the
received data through optical connector (PORT2: TORX176). Setting of jumper is shown below.
JP3
JP1
JP2
OPT
DVDD
COAX
PORT1
AVDD
n DIP Switch setting
Figure 3. Jumper setting, when using DIR
[SW2]: AK4113 setting
No.
Pin
1
OCKS1
2
OCKS0
OFF
ON
AK4113 Master Clock setting
Refer to Table3
Table 2. SW2 setting
Default
ON
OFF
The frequencies of the master clock output is set by OCKS0 and OCKS1 as shown in Table 3.
OCKS1
0
1
1
OCKS0
0
0
1
n SW1 setting
MCLK Frequency
256fs @fs=88.2/96kHz
512fs @32/44.1/48kHz
128fs @176.4/192kHz
Table 3. MCLK Clock
Default
[SW1](PDN): Reset of AK4385. Select “H” during operation.
<KM075400>
-3-
2004/07