AKD4528_05 Datasheet, PDF (6/45 Pages) Asahi Kasei Microsystems – 24Bit A/D & D/A converter

ASAHI KASEI
[AKD4528]
3. Set up Audio interface format
(a) In case of the serial mode
Mode
0
1
2
3
4
DIF2
bit
0
0
0
0
1
DIF1 DIF0
bit bit
SDTO
SDTI
LRCK
0
0 24bit, MSB justified 16bit, LSB justified H/L
0
1 24bit, MSB justified 20bit, LSB justified H/L
1
0 24bit, MSB justified 24bit, MSB justified H/L
1
1
24bit, I²S
24bit, I²S
L/H
0
0 24bit, MSB justified 24bit, LSB justified H/L
Table 8. Set up Audio interface format in case of serial mode
BICK
≥ 32fs
≥ 40fs
≥ 48fs
≥ 48fs
≥ 48fs
(Default)
(b) In case of parallel mode
Mode
2
3
DIF
Pin
(SW1-5)
SDTO
SDTI
LRCK BICK
0
24bit, MSB justified 24bit, MSB justified H/L ≥ 48fs
1
24bit, I²S
24bit, I²S
L/H ≥ 48fs
Table 9. Set up Audio interface format in case of parallel mode
(Default)
„ Set up Registers of AK4353 (DIT).
The register setting uses the control software. (For further details, refer to the datasheet)
1. Set up Master clock frequency
CKS2
bit
0
0
0
0
1
1
1
1
DFS1, DFS0 bit
CKS1 CKS0 “1”, ”1”
“0”, “0”
“0”, ”1”
bit bit (Half speed) (Normal speed) (Double speed)
0
0
512fs
256fs
(Default)
128fs
0
1
256fs
256fs
256fs
1
0
768fs
384fs
192fs
1
1
384fs
384fs
384fs
0
0
1024fs
512fs
256fs
0
1
512fs
512fs
N/A
1
0
1536fs
768fs
384fs
1
1
768fs
768fs
N/A
Table 10. Set up Master clock frequency
(Note) DFS1, DFS0=“1”, “0”: Reserved (Not defined)
<KM063101>
-6-
2005/11