ASAHI KASEI
[AKD4385-SC]
<KM082701> 3 2006/04
Evaluation mode
1. DIR (COAX) (default)
It is possible to evaluate the AK4385 by using CD disk. The DIR generates MCLK, BICK, LRCK and 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.
JP4
OPT
COAX
RX
(Default)
Figure 2. Jumper setting, when using DIR
2. DIR (Optical Link)
It is possible to evaluate the AK4385 by using CD disk. The DIR generates MCLK, BICK, LRCK and SDATA from the received
data through optical connector (PORT3: TORX176). Setting of jumper is shown below.
JP4
OPT
COAX
RX
Figure 3.
Jumper setting, when using DIR
3. All clocks are fed through the PORT1.
R13, R15, R17, R18
: open
R1, R2, R3, R8
: 100
Ω
or short (0
Ω
)
DIP Switch setting
[SW2]: AK4113 setting
No. Pin
OFF
ON
Default
1 OCKS1
ON
2 OCKS0
AK4113 Master Clock setting
Refer to Table4
OFF
Table 2. SW2 setting
The frequency of the master clock output is set by OCKS0 and OCKS1 as shown in Table 4
.
OCKS1 OCKS0
MCLK
Frequency
0 0
256fs
@fs=88.2/96kHz
1 0
512fs
@32/44.1/48kHz
1 1
128fs
@176.4/192kHz
Default
Table 3. MCLK Clock