AKD4682-A Datasheet, PDF (7/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
[AKD4682-A]
„ Register control
AKD4682-A can be controlled via the printer port (parallel port) of IBM-AT compatible PC. Connect PORT2
(uP-I/F) to PC by 10-line flat cable packed with this. Take care of the direction of connector. There is a mark at
connector. Connect the mark of 10-pin connector to pin#6 of PORT2. (Figure 2.)
PORT2
1 UP-I/F 10
Connect
SCL
PC
SDA
SDA (ACK)
RED
10-wire flat cable
10-pin connector
5
6
10-pin header
AKD4682-A
Figure 2. PORT2 pin layout
Control software is packed with this evaluation board. Software operation procedure is included in evaluation board
manual.
„ Set-up DIP switch (SW2)
No. Name
Content
1 DIF0
2 DIF1
3 DIF2
Setting of AK4114 Audio Interface Format
(Refer Table 20.)
4
CM0
Selection of AK4114 Clock Mode (Clock Source)
(Refer Table 21.)
6 OCKS0 Selection of AK4114 Master Clock Output frequency
7 OCKS1
(Refer Table 22.)
Table 20. Set up modes of AK4114 (U7) and AK4682 (U1)
Default
ON
OFF
ON
OFF
OFF
OFF
Mode
0
1
2
3
4
5
6
7
DIF2
0
0
0
0
1
1
1
1
DIF1
0
0
1
1
0
0
1
1
DIF0
DAUX
SDTO
0 24bit, Left justified 16bit, Right justified
1 24bit, Left justified 18bit, Right justified
0 24bit, Left justified 20bit, Right justified
1 24bit, Left justified 24bit, Right justified
0 24bit, Left justified 24bit, Left justified
1 24bit, I²S
24bit, I²S
0 24bit, Left justified 24bit, Left justified
1 24bit, I²S
24bit, I²S
Table 21. AK4114 Audio Interface Format
LRCK
I/O
H/L O
H/L O
H/L O
H/L O
H/L O
L/H O
H/L I
L/H I
BICK
I/O
64fs O
64fs O
64fs O
64fs O
64fs O
64fs O
64-128fs I
64-128fs I
<Default>
Mode
0
1
CM0 PLL X'tal Clock source SDTO
0 ON ON(Note)
PLL
RX
1 OFF ON
X'tal
DAUX
Table 22. AK4114 Clock Mode (Clock Source)
<Default>
<KM086400>
-7-
2007/02