ASAHI KASEI
[AKD4112B-B]
a-2-2. Set-up of the jumper on the main board.
RX3
RX4
RX2
JP6
JP7
JP5
JP
Short
RX4
Short
The jumper, which selects the Rx channel, should be Short.
Table 3. Set-up of RX2, 3 and 4
Input
a-3. Set-up of AK4112B input path
It sets up IPS1-0 bits in serial mode.
IPS1 bit
0
0
1
1
IPS0 bit
INPUT Data
0
RX1
Default
1
RX2
0
RX3
1
RX4
Table 4. Recovery Data Select (Serial)
b.
Set-up of clock input and output
The signal level outputted/inputted from PORT2 is 3.3V.
MCLK
SDTO
LRCK
BICK
PORT2
DIR
1
5
GND
GND
GND
Figure 2. PORT2 pin layout
b-1. MCKO1/MCKO2
The output of MCKO1 pin or MCKO2 pin can be selected by JP12. The output frequency of MCKO1/MCKO2
is selected by OCKS 1-0.
Output
JP12
signal
Default
MCKO1
MCKO1
MCKO2
MCKO2
Table 5. MCKO1/MCKO2 set-up
OCKS1 pin
(SW3_2)
OCKS1 bit
0
0
1
1
OCKS0 pin
(SW3_3)
OCKS0 bit
0
1
0
1
(X’tal)
MCKO1
NC
10
GND
6
MCKO2
fs (max)
108 kHz
108 kHz
54 kHz
-
Default
256fs
256fs
256fs
256fs
256fs
128fs
512fs
512fs
256fs
-
-
-
Table 6. Master Clock Frequency Select
<KM080200>
-3-
2005/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
