AKD4126-A Datasheet, PDF (12/29 Pages) Asahi Kasei Microsystems – digital sample rate converter.

ASAHI KASEI
[AKD4126-A]
(2). Set up output mode
(2)-1. Set up the AK4126 (U1)
• Set up SW2
ON is “H”, and OFF is “L”.
Setting of default (Slave Mode, 24bit MSB justified, OLRCK=Input, OBICK=Input, fso=8K~192KHz) is as
follows. (Please refer to Table 8.)
SW2
No.
1
2
3
4
5
6
7
8
Name
DITHER
OBIT1
OBIT0
TEST1
TEST2
TEST3
ODIF1
ODIF0
ON (“H”)
OFF (“L”)
Dither ON
Dither OFF
AK4126 Output Audio Interface Format 2 Setting
Please refer to Table 9.
AK4126 TEST Pin. Fixed to “H”.
AK4126 TEST Pin. Fixed to “L”.
AK4126 Output Audio Interface Format 1 Setting
Please refer to Table 11.
Table 8. SW2 Setting
Default
L
H
H
H
L
L
H
L
Mode
OBIT1
pin
OBIT0
pin
SDTO
OBICK Frequency
MSB justified,
I2S Compatible
LSB justified
0
L
L 16bit
≥ 32fso
1
L
H 18bit
2
H
L 20bit
≥ 36fso
≥ 40fso
64fso
3
H
H 24bit
≥ 48fso
(Default)
Table 9. AK4126 Output Audio Interface Format 2 Setting (Output PORT)
Mode
ODIF1 ODIF0
pin
pin
SDTO Format
0
L
L
LSB justified
1
L
H
(Reserved)
2
H
L
MSB justified (Default)
3
H
H
I²S Compatible
Table 11. AK4126 Output Audio Interface Format 1 Setting (Output PORT)
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2007/01